19003428

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 51105600

約数和(自身を除く): 32102172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 59, 69, 92, 118, 138, 177, 207, 236, 276, 354, 389, 414, 531, 708, 778, 828, 1062, 1167, 1357, 1556, 2124, 2334, 2714, 3501, 4071, 4668, 5428, 7002, 8142, 8947, 12213, 14004, 16284, 17894, 22951, 24426, 26841, 35788, 45902, 48852, 53682, 68853, 80523, 91804, 107364, 137706, 161046, 206559, 275412, 322092, 413118, 527873, 826236, 1055746, 1583619, 2111492, 3167238, 4750857, 6334476, 9501714, 19003428]

約数ペア:

[(1, 19003428), (2, 9501714), (3, 6334476), (4, 4750857), (6, 3167238), (9, 2111492), (12, 1583619), (18, 1055746), (23, 826236), (36, 527873), (46, 413118), (59, 322092), (69, 275412), (92, 206559), (118, 161046), (138, 137706), (177, 107364), (207, 91804), (236, 80523), (276, 68853), (354, 53682), (389, 48852), (414, 45902), (531, 35788), (708, 26841), (778, 24426), (828, 22951), (1062, 17894), (1167, 16284), (1357, 14004), (1556, 12213), (2124, 8947), (2334, 8142), (2714, 7002), (3501, 5428), (4071, 4668)]