18835728

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{563}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 52871616

約数和(自身を除く): 34035888

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 41, 48, 51, 68, 82, 102, 123, 136, 164, 204, 246, 272, 328, 408, 492, 563, 656, 697, 816, 984, 1126, 1394, 1689, 1968, 2091, 2252, 2788, 3378, 4182, 4504, 5576, 6756, 8364, 9008, 9571, 11152, 13512, 16728, 19142, 23083, 27024, 28713, 33456, 38284, 46166, 57426, 69249, 76568, 92332, 114852, 138498, 153136, 184664, 229704, 276996, 369328, 392411, 459408, 553992, 784822, 1107984, 1177233, 1569644, 2354466, 3139288, 4708932, 6278576, 9417864, 18835728]

約数ペア:

[(1, 18835728), (2, 9417864), (3, 6278576), (4, 4708932), (6, 3139288), (8, 2354466), (12, 1569644), (16, 1177233), (17, 1107984), (24, 784822), (34, 553992), (41, 459408), (48, 392411), (51, 369328), (68, 276996), (82, 229704), (102, 184664), (123, 153136), (136, 138498), (164, 114852), (204, 92332), (246, 76568), (272, 69249), (328, 57426), (408, 46166), (492, 38284), (563, 33456), (656, 28713), (697, 27024), (816, 23083), (984, 19142), (1126, 16728), (1394, 13512), (1689, 11152), (1968, 9571), (2091, 9008), (2252, 8364), (2788, 6756), (3378, 5576), (4182, 4504)]