19711008

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{769}}^1$

素因数の和:874

約数の個数: 72

約数和(自身を含む): 56756700

約数和(自身を除く): 37045692

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 769, 801, 1068, 1424, 1538, 1602, 2136, 2307, 2848, 3076, 3204, 4272, 4614, 6152, 6408, 6921, 8544, 9228, 12304, 12816, 13842, 18456, 24608, 25632, 27684, 36912, 55368, 68441, 73824, 110736, 136882, 205323, 221472, 273764, 410646, 547528, 615969, 821292, 1095056, 1231938, 1642584, 2190112, 2463876, 3285168, 4927752, 6570336, 9855504, 19711008]

約数ペア:

[(1, 19711008), (2, 9855504), (3, 6570336), (4, 4927752), (6, 3285168), (8, 2463876), (9, 2190112), (12, 1642584), (16, 1231938), (18, 1095056), (24, 821292), (32, 615969), (36, 547528), (48, 410646), (72, 273764), (89, 221472), (96, 205323), (144, 136882), (178, 110736), (267, 73824), (288, 68441), (356, 55368), (534, 36912), (712, 27684), (769, 25632), (801, 24608), (1068, 18456), (1424, 13842), (1538, 12816), (1602, 12304), (2136, 9228), (2307, 8544), (2848, 6921), (3076, 6408), (3204, 6152), (4272, 4614)]