19457180860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1411987}}^1$

素因数の和:1412062

約数の個数: 48

約数和(自身を含む): 44833442976

約数和(自身を除く): 25376262116

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 6890, 13780, 1411987, 2823974, 5647948, 7059935, 14119870, 18355831, 28239740, 36711662, 73423324, 74835311, 91779155, 149670622, 183558310, 299341244, 367116620, 374176555, 748353110, 972859043, 1496706220, 1945718086, 3891436172, 4864295215, 9728590430, 19457180860]

約数ペア:

[(1, 19457180860), (2, 9728590430), (4, 4864295215), (5, 3891436172), (10, 1945718086), (13, 1496706220), (20, 972859043), (26, 748353110), (52, 374176555), (53, 367116620), (65, 299341244), (106, 183558310), (130, 149670622), (212, 91779155), (260, 74835311), (265, 73423324), (530, 36711662), (689, 28239740), (1060, 18355831), (1378, 14119870), (2756, 7059935), (3445, 5647948), (6890, 2823974), (13780, 1411987)]