19107572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 38707200

約数和(自身を除く): 19599628

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 79, 92, 158, 239, 253, 316, 478, 506, 869, 956, 1012, 1738, 1817, 2629, 3476, 3634, 5258, 5497, 7268, 10516, 10994, 18881, 19987, 21988, 37762, 39974, 60467, 75524, 79948, 120934, 207691, 241868, 415382, 434263, 830764, 868526, 1737052, 4776893, 9553786, 19107572]

約数ペア:

[(1, 19107572), (2, 9553786), (4, 4776893), (11, 1737052), (22, 868526), (23, 830764), (44, 434263), (46, 415382), (79, 241868), (92, 207691), (158, 120934), (239, 79948), (253, 75524), (316, 60467), (478, 39974), (506, 37762), (869, 21988), (956, 19987), (1012, 18881), (1738, 10994), (1817, 10516), (2629, 7268), (3476, 5497), (3634, 5258)]