19216710

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 51816960

約数和(自身を除く): 32600250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 103, 135, 206, 270, 309, 515, 618, 691, 927, 1030, 1382, 1545, 1854, 2073, 2781, 3090, 3455, 4146, 4635, 5562, 6219, 6910, 9270, 10365, 12438, 13905, 18657, 20730, 27810, 31095, 37314, 62190, 71173, 93285, 142346, 186570, 213519, 355865, 427038, 640557, 711730, 1067595, 1281114, 1921671, 2135190, 3202785, 3843342, 6405570, 9608355, 19216710]

約数ペア:

[(1, 19216710), (2, 9608355), (3, 6405570), (5, 3843342), (6, 3202785), (9, 2135190), (10, 1921671), (15, 1281114), (18, 1067595), (27, 711730), (30, 640557), (45, 427038), (54, 355865), (90, 213519), (103, 186570), (135, 142346), (206, 93285), (270, 71173), (309, 62190), (515, 37314), (618, 31095), (691, 27810), (927, 20730), (1030, 18657), (1382, 13905), (1545, 12438), (1854, 10365), (2073, 9270), (2781, 6910), (3090, 6219), (3455, 5562), (4146, 4635)]