19770816

素因数分解:

$2^6\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^2$

素因数の和:206

約数の個数: 84

約数和(自身を含む): 56974232

約数和(自身を除く): 37203416

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 89, 96, 104, 156, 178, 192, 208, 267, 312, 356, 416, 534, 624, 712, 832, 1068, 1157, 1248, 1424, 2136, 2314, 2496, 2848, 3471, 4272, 4628, 5696, 6942, 7921, 8544, 9256, 13884, 15842, 17088, 18512, 23763, 27768, 31684, 37024, 47526, 55536, 63368, 74048, 95052, 102973, 111072, 126736, 190104, 205946, 222144, 253472, 308919, 380208, 411892, 506944, 617838, 760416, 823784, 1235676, 1520832, 1647568, 2471352, 3295136, 4942704, 6590272, 9885408, 19770816]

約数ペア:

[(1, 19770816), (2, 9885408), (3, 6590272), (4, 4942704), (6, 3295136), (8, 2471352), (12, 1647568), (13, 1520832), (16, 1235676), (24, 823784), (26, 760416), (32, 617838), (39, 506944), (48, 411892), (52, 380208), (64, 308919), (78, 253472), (89, 222144), (96, 205946), (104, 190104), (156, 126736), (178, 111072), (192, 102973), (208, 95052), (267, 74048), (312, 63368), (356, 55536), (416, 47526), (534, 37024), (624, 31684), (712, 27768), (832, 23763), (1068, 18512), (1157, 17088), (1248, 15842), (1424, 13884), (2136, 9256), (2314, 8544), (2496, 7921), (2848, 6942), (3471, 5696), (4272, 4628)]