19766745

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 36753600

約数和(自身を除く): 16986855

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 61, 95, 171, 183, 285, 305, 379, 549, 855, 915, 1137, 1159, 1895, 2745, 3411, 3477, 5685, 5795, 7201, 10431, 17055, 17385, 21603, 23119, 36005, 52155, 64809, 69357, 108015, 115595, 208071, 324045, 346785, 439261, 1040355, 1317783, 2196305, 3953349, 6588915, 19766745]

約数ペア:

[(1, 19766745), (3, 6588915), (5, 3953349), (9, 2196305), (15, 1317783), (19, 1040355), (45, 439261), (57, 346785), (61, 324045), (95, 208071), (171, 115595), (183, 108015), (285, 69357), (305, 64809), (379, 52155), (549, 36005), (855, 23119), (915, 21603), (1137, 17385), (1159, 17055), (1895, 10431), (2745, 7201), (3411, 5795), (3477, 5685)]