19435264

素因数分解:

$2^8\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 54

約数和(自身を含む): 40593840

約数和(自身を除く): 21158576

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 124, 128, 158, 248, 256, 316, 496, 632, 961, 992, 1264, 1922, 1984, 2449, 2528, 3844, 3968, 4898, 5056, 7688, 7936, 9796, 10112, 15376, 19592, 20224, 30752, 39184, 61504, 75919, 78368, 123008, 151838, 156736, 246016, 303676, 313472, 607352, 626944, 1214704, 2429408, 4858816, 9717632, 19435264]

約数ペア:

[(1, 19435264), (2, 9717632), (4, 4858816), (8, 2429408), (16, 1214704), (31, 626944), (32, 607352), (62, 313472), (64, 303676), (79, 246016), (124, 156736), (128, 151838), (158, 123008), (248, 78368), (256, 75919), (316, 61504), (496, 39184), (632, 30752), (961, 20224), (992, 19592), (1264, 15376), (1922, 10112), (1984, 9796), (2449, 7936), (2528, 7688), (3844, 5056), (3968, 4898)]