18494970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1009}}^1$

素因数の和:1079

約数の個数: 64

約数和(自身を含む): 48867840

約数和(自身を除く): 30372870

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 47, 65, 78, 94, 130, 141, 195, 235, 282, 390, 470, 611, 705, 1009, 1222, 1410, 1833, 2018, 3027, 3055, 3666, 5045, 6054, 6110, 9165, 10090, 13117, 15135, 18330, 26234, 30270, 39351, 47423, 65585, 78702, 94846, 131170, 142269, 196755, 237115, 284538, 393510, 474230, 616499, 711345, 1232998, 1422690, 1849497, 3082495, 3698994, 6164990, 9247485, 18494970]

約数ペア:

[(1, 18494970), (2, 9247485), (3, 6164990), (5, 3698994), (6, 3082495), (10, 1849497), (13, 1422690), (15, 1232998), (26, 711345), (30, 616499), (39, 474230), (47, 393510), (65, 284538), (78, 237115), (94, 196755), (130, 142269), (141, 131170), (195, 94846), (235, 78702), (282, 65585), (390, 47423), (470, 39351), (611, 30270), (705, 26234), (1009, 18330), (1222, 15135), (1410, 13117), (1833, 10090), (2018, 9165), (3027, 6110), (3055, 6054), (3666, 5045)]