19115580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2633}}^1$

素因数の和:2667

約数の個数: 72

約数和(自身を含む): 58854096

約数和(自身を除く): 39738516

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, 2633, 3630, 5266, 7260, 7899, 10532, 13165, 15798, 26330, 28963, 31596, 39495, 52660, 57926, 78990, 86889, 115852, 144815, 157980, 173778, 289630, 318593, 347556, 434445, 579260, 637186, 868890, 955779, 1274372, 1592965, 1737780, 1911558, 3185930, 3823116, 4778895, 6371860, 9557790, 19115580]

約数ペア:

[(1, 19115580), (2, 9557790), (3, 6371860), (4, 4778895), (5, 3823116), (6, 3185930), (10, 1911558), (11, 1737780), (12, 1592965), (15, 1274372), (20, 955779), (22, 868890), (30, 637186), (33, 579260), (44, 434445), (55, 347556), (60, 318593), (66, 289630), (110, 173778), (121, 157980), (132, 144815), (165, 115852), (220, 86889), (242, 78990), (330, 57926), (363, 52660), (484, 39495), (605, 31596), (660, 28963), (726, 26330), (1210, 15798), (1452, 13165), (1815, 10532), (2420, 7899), (2633, 7260), (3630, 5266)]