19238238

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 42981120

約数和(自身を除く): 23742882

約数列:

[1, 2, 3, 6, 9, 18, 79, 83, 158, 163, 166, 237, 249, 326, 474, 489, 498, 711, 747, 978, 1422, 1467, 1494, 2934, 6557, 12877, 13114, 13529, 19671, 25754, 27058, 38631, 39342, 40587, 59013, 77262, 81174, 115893, 118026, 121761, 231786, 243522, 1068791, 2137582, 3206373, 6412746, 9619119, 19238238]

約数ペア:

[(1, 19238238), (2, 9619119), (3, 6412746), (6, 3206373), (9, 2137582), (18, 1068791), (79, 243522), (83, 231786), (158, 121761), (163, 118026), (166, 115893), (237, 81174), (249, 77262), (326, 59013), (474, 40587), (489, 39342), (498, 38631), (711, 27058), (747, 25754), (978, 19671), (1422, 13529), (1467, 13114), (1494, 12877), (2934, 6557)]