19102420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 42311808

約数和(自身を除く): 23209388

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 262, 317, 460, 524, 634, 655, 1268, 1310, 1585, 2620, 3013, 3170, 6026, 6340, 7291, 12052, 14582, 15065, 29164, 30130, 36455, 41527, 60260, 72910, 83054, 145820, 166108, 207635, 415270, 830540, 955121, 1910242, 3820484, 4775605, 9551210, 19102420]

約数ペア:

[(1, 19102420), (2, 9551210), (4, 4775605), (5, 3820484), (10, 1910242), (20, 955121), (23, 830540), (46, 415270), (92, 207635), (115, 166108), (131, 145820), (230, 83054), (262, 72910), (317, 60260), (460, 41527), (524, 36455), (634, 30130), (655, 29164), (1268, 15065), (1310, 14582), (1585, 12052), (2620, 7291), (3013, 6340), (3170, 6026)]