18423707906

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{349}}^1\times {\mathrm{1889}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 28219590000

約数和(自身を除く): 9795882094

約数列:

[1, 2, 89, 157, 178, 314, 349, 698, 1889, 3778, 13973, 27946, 31061, 54793, 62122, 109586, 168121, 296573, 336242, 593146, 659261, 1318522, 4876577, 9753154, 26394997, 52789994, 58674229, 103503977, 117348458, 207007954, 9211853953, 18423707906]

約数ペア:

[(1, 18423707906), (2, 9211853953), (89, 207007954), (157, 117348458), (178, 103503977), (314, 58674229), (349, 52789994), (698, 26394997), (1889, 9753154), (3778, 4876577), (13973, 1318522), (27946, 659261), (31061, 593146), (54793, 336242), (62122, 296573), (109586, 168121)]