19039790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:417

約数の個数: 64

約数和(自身を含む): 43407360

約数和(自身を除く): 24367570

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 79, 110, 154, 158, 313, 385, 395, 553, 626, 770, 790, 869, 1106, 1565, 1738, 2191, 2765, 3130, 3443, 4345, 4382, 5530, 6083, 6886, 8690, 10955, 12166, 17215, 21910, 24101, 24727, 30415, 34430, 48202, 49454, 60830, 120505, 123635, 173089, 241010, 247270, 271997, 346178, 543994, 865445, 1359985, 1730890, 1903979, 2719970, 3807958, 9519895, 19039790]

約数ペア:

[(1, 19039790), (2, 9519895), (5, 3807958), (7, 2719970), (10, 1903979), (11, 1730890), (14, 1359985), (22, 865445), (35, 543994), (55, 346178), (70, 271997), (77, 247270), (79, 241010), (110, 173089), (154, 123635), (158, 120505), (313, 60830), (385, 49454), (395, 48202), (553, 34430), (626, 30415), (770, 24727), (790, 24101), (869, 21910), (1106, 17215), (1565, 12166), (1738, 10955), (2191, 8690), (2765, 6886), (3130, 6083), (3443, 5530), (4345, 4382)]