18430456

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 64

約数和(自身を含む): 40492800

約数和(自身を除く): 22062344

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 73, 76, 88, 146, 151, 152, 209, 292, 302, 418, 584, 604, 803, 836, 1208, 1387, 1606, 1661, 1672, 2774, 2869, 3212, 3322, 5548, 5738, 6424, 6644, 11023, 11096, 11476, 13288, 15257, 22046, 22952, 30514, 31559, 44092, 61028, 63118, 88184, 121253, 122056, 126236, 209437, 242506, 252472, 418874, 485012, 837748, 970024, 1675496, 2303807, 4607614, 9215228, 18430456]

約数ペア:

[(1, 18430456), (2, 9215228), (4, 4607614), (8, 2303807), (11, 1675496), (19, 970024), (22, 837748), (38, 485012), (44, 418874), (73, 252472), (76, 242506), (88, 209437), (146, 126236), (151, 122056), (152, 121253), (209, 88184), (292, 63118), (302, 61028), (418, 44092), (584, 31559), (604, 30514), (803, 22952), (836, 22046), (1208, 15257), (1387, 13288), (1606, 11476), (1661, 11096), (1672, 11023), (2774, 6644), (2869, 6424), (3212, 5738), (3322, 5548)]