18834970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 43068672

約数和(自身を除く): 24233702

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 61, 70, 77, 110, 122, 154, 305, 385, 401, 427, 610, 671, 770, 802, 854, 1342, 2005, 2135, 2807, 3355, 4010, 4270, 4411, 4697, 5614, 6710, 8822, 9394, 14035, 22055, 23485, 24461, 28070, 30877, 44110, 46970, 48922, 61754, 122305, 154385, 171227, 244610, 269071, 308770, 342454, 538142, 856135, 1345355, 1712270, 1883497, 2690710, 3766994, 9417485, 18834970]

約数ペア:

[(1, 18834970), (2, 9417485), (5, 3766994), (7, 2690710), (10, 1883497), (11, 1712270), (14, 1345355), (22, 856135), (35, 538142), (55, 342454), (61, 308770), (70, 269071), (77, 244610), (110, 171227), (122, 154385), (154, 122305), (305, 61754), (385, 48922), (401, 46970), (427, 44110), (610, 30877), (671, 28070), (770, 24461), (802, 23485), (854, 22055), (1342, 14035), (2005, 9394), (2135, 8822), (2807, 6710), (3355, 5614), (4010, 4697), (4270, 4411)]