19681860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2711}}^1$

素因数の和:2745

約数の個数: 72

約数和(自身を含む): 60596928

約数和(自身を除く): 40915068

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2711, 3630, 5422, 7260, 8133, 10844, 13555, 16266, 27110, 29821, 32532, 40665, 54220, 59642, 81330, 89463, 119284, 149105, 162660, 178926, 298210, 328031, 357852, 447315, 596420, 656062, 894630, 984093, 1312124, 1640155, 1789260, 1968186, 3280310, 3936372, 4920465, 6560620, 9840930, 19681860]

約数ペア:

[(1, 19681860), (2, 9840930), (3, 6560620), (4, 4920465), (5, 3936372), (6, 3280310), (10, 1968186), (11, 1789260), (12, 1640155), (15, 1312124), (20, 984093), (22, 894630), (30, 656062), (33, 596420), (44, 447315), (55, 357852), (60, 328031), (66, 298210), (110, 178926), (121, 162660), (132, 149105), (165, 119284), (220, 89463), (242, 81330), (330, 59642), (363, 54220), (484, 40665), (605, 32532), (660, 29821), (726, 27110), (1210, 16266), (1452, 13555), (1815, 10844), (2420, 8133), (2711, 7260), (3630, 5422)]