1880521808

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{562357}}^1$

素因数の和:562395

約数の個数: 40

約数和(自身を含む): 4183943520

約数和(自身を除く): 2303421712

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 562357, 1124714, 2249428, 4498856, 6185927, 8997712, 10684783, 12371854, 21369566, 24743708, 42739132, 49487416, 85478264, 98974832, 117532613, 170956528, 235065226, 470130452, 940260904, 1880521808]

約数ペア:

[(1, 1880521808), (2, 940260904), (4, 470130452), (8, 235065226), (11, 170956528), (16, 117532613), (19, 98974832), (22, 85478264), (38, 49487416), (44, 42739132), (76, 24743708), (88, 21369566), (152, 12371854), (176, 10684783), (209, 8997712), (304, 6185927), (418, 4498856), (836, 2249428), (1672, 1124714), (3344, 562357)]