16531970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 37691136

約数和(自身を除く): 21159166

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 65, 70, 74, 91, 130, 182, 185, 259, 370, 455, 481, 491, 518, 910, 962, 982, 1295, 2405, 2455, 2590, 3367, 3437, 4810, 4910, 6383, 6734, 6874, 12766, 16835, 17185, 18167, 31915, 33670, 34370, 36334, 44681, 63830, 89362, 90835, 127169, 181670, 223405, 236171, 254338, 446810, 472342, 635845, 1180855, 1271690, 1653197, 2361710, 3306394, 8265985, 16531970]

約数ペア:

[(1, 16531970), (2, 8265985), (5, 3306394), (7, 2361710), (10, 1653197), (13, 1271690), (14, 1180855), (26, 635845), (35, 472342), (37, 446810), (65, 254338), (70, 236171), (74, 223405), (91, 181670), (130, 127169), (182, 90835), (185, 89362), (259, 63830), (370, 44681), (455, 36334), (481, 34370), (491, 33670), (518, 31915), (910, 18167), (962, 17185), (982, 16835), (1295, 12766), (2405, 6874), (2455, 6734), (2590, 6383), (3367, 4910), (3437, 4810)]