19830738

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 64

約数和(自身を含む): 44789760

約数和(自身を除く): 24959022

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 79, 102, 107, 138, 158, 214, 237, 321, 391, 474, 642, 782, 1173, 1343, 1817, 1819, 2346, 2461, 2686, 3634, 3638, 4029, 4922, 5451, 5457, 7383, 8058, 8453, 10902, 10914, 14766, 16906, 25359, 30889, 41837, 50718, 61778, 83674, 92667, 125511, 143701, 185334, 194419, 251022, 287402, 388838, 431103, 583257, 862206, 1166514, 3305123, 6610246, 9915369, 19830738]

約数ペア:

[(1, 19830738), (2, 9915369), (3, 6610246), (6, 3305123), (17, 1166514), (23, 862206), (34, 583257), (46, 431103), (51, 388838), (69, 287402), (79, 251022), (102, 194419), (107, 185334), (138, 143701), (158, 125511), (214, 92667), (237, 83674), (321, 61778), (391, 50718), (474, 41837), (642, 30889), (782, 25359), (1173, 16906), (1343, 14766), (1817, 10914), (1819, 10902), (2346, 8453), (2461, 8058), (2686, 7383), (3634, 5457), (3638, 5451), (4029, 4922)]