19742892

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{467}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 49900032

約数和(自身を除く): 30157140

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 271, 467, 542, 813, 934, 1084, 1401, 1626, 1868, 2802, 3252, 3523, 5604, 6071, 7046, 10569, 12142, 14092, 18213, 21138, 24284, 36426, 42276, 72852, 126557, 253114, 379671, 506228, 759342, 1518684, 1645241, 3290482, 4935723, 6580964, 9871446, 19742892]

約数ペア:

[(1, 19742892), (2, 9871446), (3, 6580964), (4, 4935723), (6, 3290482), (12, 1645241), (13, 1518684), (26, 759342), (39, 506228), (52, 379671), (78, 253114), (156, 126557), (271, 72852), (467, 42276), (542, 36426), (813, 24284), (934, 21138), (1084, 18213), (1401, 14092), (1626, 12142), (1868, 10569), (2802, 7046), (3252, 6071), (3523, 5604)]