18573520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1951}}^1$

素因数の和:1988

約数の個数: 80

約数和(自身を含む): 52282368

約数和(自身を除く): 33708848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1360, 1904, 1951, 2380, 3902, 4760, 7804, 9520, 9755, 13657, 15608, 19510, 27314, 31216, 33167, 39020, 54628, 66334, 68285, 78040, 109256, 132668, 136570, 156080, 165835, 218512, 232169, 265336, 273140, 331670, 464338, 530672, 546280, 663340, 928676, 1092560, 1160845, 1326680, 1857352, 2321690, 2653360, 3714704, 4643380, 9286760, 18573520]

約数ペア:

[(1, 18573520), (2, 9286760), (4, 4643380), (5, 3714704), (7, 2653360), (8, 2321690), (10, 1857352), (14, 1326680), (16, 1160845), (17, 1092560), (20, 928676), (28, 663340), (34, 546280), (35, 530672), (40, 464338), (56, 331670), (68, 273140), (70, 265336), (80, 232169), (85, 218512), (112, 165835), (119, 156080), (136, 136570), (140, 132668), (170, 109256), (238, 78040), (272, 68285), (280, 66334), (340, 54628), (476, 39020), (560, 33167), (595, 31216), (680, 27314), (952, 19510), (1190, 15608), (1360, 13657), (1904, 9755), (1951, 9520), (2380, 7804), (3902, 4760)]