18115370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 42529536

約数和(自身を除く): 24414166

約数列:

[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 170, 182, 221, 238, 442, 455, 595, 910, 1105, 1171, 1190, 1547, 2210, 2342, 3094, 5855, 7735, 8197, 11710, 15223, 15470, 16394, 19907, 30446, 39814, 40985, 76115, 81970, 99535, 106561, 139349, 152230, 199070, 213122, 258791, 278698, 517582, 532805, 696745, 1065610, 1293955, 1393490, 1811537, 2587910, 3623074, 9057685, 18115370]

約数ペア:

[(1, 18115370), (2, 9057685), (5, 3623074), (7, 2587910), (10, 1811537), (13, 1393490), (14, 1293955), (17, 1065610), (26, 696745), (34, 532805), (35, 517582), (65, 278698), (70, 258791), (85, 213122), (91, 199070), (119, 152230), (130, 139349), (170, 106561), (182, 99535), (221, 81970), (238, 76115), (442, 40985), (455, 39814), (595, 30446), (910, 19907), (1105, 16394), (1171, 15470), (1190, 15223), (1547, 11710), (2210, 8197), (2342, 7735), (3094, 5855)]