19186251

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{241}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 31223808

約数和(自身を除く): 12037557

約数列:

[1, 3, 7, 17, 21, 51, 119, 223, 241, 357, 669, 723, 1561, 1687, 3791, 4097, 4683, 5061, 11373, 12291, 26537, 28679, 53743, 79611, 86037, 161229, 376201, 913631, 1128603, 2740893, 6395417, 19186251]

約数ペア:

[(1, 19186251), (3, 6395417), (7, 2740893), (17, 1128603), (21, 913631), (51, 376201), (119, 161229), (223, 86037), (241, 79611), (357, 53743), (669, 28679), (723, 26537), (1561, 12291), (1687, 11373), (3791, 5061), (4097, 4683)]