19505200

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:84

約数の個数: 180

約数和(自身を含む): 57260224

約数和(自身を除く): 37755024

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 25, 26, 31, 40, 44, 50, 52, 55, 62, 65, 80, 88, 100, 104, 110, 121, 124, 130, 143, 155, 176, 200, 208, 220, 242, 248, 260, 275, 286, 310, 325, 341, 400, 403, 440, 484, 496, 520, 550, 572, 605, 620, 650, 682, 715, 775, 806, 880, 968, 1040, 1100, 1144, 1210, 1240, 1300, 1364, 1430, 1550, 1573, 1612, 1705, 1936, 2015, 2200, 2288, 2420, 2480, 2600, 2728, 2860, 3025, 3100, 3146, 3224, 3410, 3575, 3751, 4030, 4400, 4433, 4840, 5200, 5456, 5720, 6050, 6200, 6292, 6448, 6820, 7150, 7502, 7865, 8060, 8525, 8866, 9680, 10075, 11440, 12100, 12400, 12584, 13640, 14300, 15004, 15730, 16120, 17050, 17732, 18755, 20150, 22165, 24200, 25168, 27280, 28600, 30008, 31460, 32240, 34100, 35464, 37510, 39325, 40300, 44330, 48400, 48763, 57200, 60016, 62920, 68200, 70928, 75020, 78650, 80600, 88660, 93775, 97526, 110825, 125840, 136400, 150040, 157300, 161200, 177320, 187550, 195052, 221650, 243815, 300080, 314600, 354640, 375100, 390104, 443300, 487630, 629200, 750200, 780208, 886600, 975260, 1219075, 1500400, 1773200, 1950520, 2438150, 3901040, 4876300, 9752600, 19505200]

約数ペア:

[(1, 19505200), (2, 9752600), (4, 4876300), (5, 3901040), (8, 2438150), (10, 1950520), (11, 1773200), (13, 1500400), (16, 1219075), (20, 975260), (22, 886600), (25, 780208), (26, 750200), (31, 629200), (40, 487630), (44, 443300), (50, 390104), (52, 375100), (55, 354640), (62, 314600), (65, 300080), (80, 243815), (88, 221650), (100, 195052), (104, 187550), (110, 177320), (121, 161200), (124, 157300), (130, 150040), (143, 136400), (155, 125840), (176, 110825), (200, 97526), (208, 93775), (220, 88660), (242, 80600), (248, 78650), (260, 75020), (275, 70928), (286, 68200), (310, 62920), (325, 60016), (341, 57200), (400, 48763), (403, 48400), (440, 44330), (484, 40300), (496, 39325), (520, 37510), (550, 35464), (572, 34100), (605, 32240), (620, 31460), (650, 30008), (682, 28600), (715, 27280), (775, 25168), (806, 24200), (880, 22165), (968, 20150), (1040, 18755), (1100, 17732), (1144, 17050), (1210, 16120), (1240, 15730), (1300, 15004), (1364, 14300), (1430, 13640), (1550, 12584), (1573, 12400), (1612, 12100), (1705, 11440), (1936, 10075), (2015, 9680), (2200, 8866), (2288, 8525), (2420, 8060), (2480, 7865), (2600, 7502), (2728, 7150), (2860, 6820), (3025, 6448), (3100, 6292), (3146, 6200), (3224, 6050), (3410, 5720), (3575, 5456), (3751, 5200), (4030, 4840), (4400, 4433)]