18896080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 51496704

約数和(自身を除く): 32600624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 41, 56, 70, 80, 82, 112, 140, 164, 205, 280, 287, 328, 410, 560, 574, 656, 820, 823, 1148, 1435, 1640, 1646, 2296, 2870, 3280, 3292, 4115, 4592, 5740, 5761, 6584, 8230, 11480, 11522, 13168, 16460, 22960, 23044, 28805, 32920, 33743, 46088, 57610, 65840, 67486, 92176, 115220, 134972, 168715, 230440, 236201, 269944, 337430, 460880, 472402, 539888, 674860, 944804, 1181005, 1349720, 1889608, 2362010, 2699440, 3779216, 4724020, 9448040, 18896080]

約数ペア:

[(1, 18896080), (2, 9448040), (4, 4724020), (5, 3779216), (7, 2699440), (8, 2362010), (10, 1889608), (14, 1349720), (16, 1181005), (20, 944804), (28, 674860), (35, 539888), (40, 472402), (41, 460880), (56, 337430), (70, 269944), (80, 236201), (82, 230440), (112, 168715), (140, 134972), (164, 115220), (205, 92176), (280, 67486), (287, 65840), (328, 57610), (410, 46088), (560, 33743), (574, 32920), (656, 28805), (820, 23044), (823, 22960), (1148, 16460), (1435, 13168), (1640, 11522), (1646, 11480), (2296, 8230), (2870, 6584), (3280, 5761), (3292, 5740), (4115, 4592)]