19081700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 108

約数和(自身を含む): 48486480

約数和(自身を除く): 29404780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 83, 95, 100, 110, 121, 166, 190, 209, 220, 242, 275, 332, 380, 415, 418, 475, 484, 550, 605, 830, 836, 913, 950, 1045, 1100, 1210, 1577, 1660, 1826, 1900, 2075, 2090, 2299, 2420, 3025, 3154, 3652, 4150, 4180, 4565, 4598, 5225, 6050, 6308, 7885, 8300, 9130, 9196, 10043, 10450, 11495, 12100, 15770, 17347, 18260, 20086, 20900, 22825, 22990, 31540, 34694, 39425, 40172, 45650, 45980, 50215, 57475, 69388, 78850, 86735, 91300, 100430, 114950, 157700, 173470, 190817, 200860, 229900, 251075, 346940, 381634, 433675, 502150, 763268, 867350, 954085, 1004300, 1734700, 1908170, 3816340, 4770425, 9540850, 19081700]

約数ペア:

[(1, 19081700), (2, 9540850), (4, 4770425), (5, 3816340), (10, 1908170), (11, 1734700), (19, 1004300), (20, 954085), (22, 867350), (25, 763268), (38, 502150), (44, 433675), (50, 381634), (55, 346940), (76, 251075), (83, 229900), (95, 200860), (100, 190817), (110, 173470), (121, 157700), (166, 114950), (190, 100430), (209, 91300), (220, 86735), (242, 78850), (275, 69388), (332, 57475), (380, 50215), (415, 45980), (418, 45650), (475, 40172), (484, 39425), (550, 34694), (605, 31540), (830, 22990), (836, 22825), (913, 20900), (950, 20086), (1045, 18260), (1100, 17347), (1210, 15770), (1577, 12100), (1660, 11495), (1826, 10450), (1900, 10043), (2075, 9196), (2090, 9130), (2299, 8300), (2420, 7885), (3025, 6308), (3154, 6050), (3652, 5225), (4150, 4598), (4180, 4565)]