19731900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 62433504

約数和(自身を除く): 42701604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 50, 51, 53, 60, 68, 73, 75, 85, 100, 102, 106, 146, 150, 159, 170, 204, 212, 219, 255, 265, 292, 300, 318, 340, 365, 425, 438, 510, 530, 636, 730, 795, 850, 876, 901, 1020, 1060, 1095, 1241, 1275, 1325, 1460, 1590, 1700, 1802, 1825, 2190, 2482, 2550, 2650, 2703, 3180, 3604, 3650, 3723, 3869, 3975, 4380, 4505, 4964, 5100, 5300, 5406, 5475, 6205, 7300, 7446, 7738, 7950, 9010, 10812, 10950, 11607, 12410, 13515, 14892, 15476, 15900, 18020, 18615, 19345, 21900, 22525, 23214, 24820, 27030, 31025, 37230, 38690, 45050, 46428, 54060, 58035, 62050, 65773, 67575, 74460, 77380, 90100, 93075, 96725, 116070, 124100, 131546, 135150, 186150, 193450, 197319, 232140, 263092, 270300, 290175, 328865, 372300, 386900, 394638, 580350, 657730, 789276, 986595, 1160700, 1315460, 1644325, 1973190, 3288650, 3946380, 4932975, 6577300, 9865950, 19731900]

約数ペア:

[(1, 19731900), (2, 9865950), (3, 6577300), (4, 4932975), (5, 3946380), (6, 3288650), (10, 1973190), (12, 1644325), (15, 1315460), (17, 1160700), (20, 986595), (25, 789276), (30, 657730), (34, 580350), (50, 394638), (51, 386900), (53, 372300), (60, 328865), (68, 290175), (73, 270300), (75, 263092), (85, 232140), (100, 197319), (102, 193450), (106, 186150), (146, 135150), (150, 131546), (159, 124100), (170, 116070), (204, 96725), (212, 93075), (219, 90100), (255, 77380), (265, 74460), (292, 67575), (300, 65773), (318, 62050), (340, 58035), (365, 54060), (425, 46428), (438, 45050), (510, 38690), (530, 37230), (636, 31025), (730, 27030), (795, 24820), (850, 23214), (876, 22525), (901, 21900), (1020, 19345), (1060, 18615), (1095, 18020), (1241, 15900), (1275, 15476), (1325, 14892), (1460, 13515), (1590, 12410), (1700, 11607), (1802, 10950), (1825, 10812), (2190, 9010), (2482, 7950), (2550, 7738), (2650, 7446), (2703, 7300), (3180, 6205), (3604, 5475), (3650, 5406), (3723, 5300), (3869, 5100), (3975, 4964), (4380, 4505)]