18930520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:173

約数の個数: 128

約数和(自身を含む): 53343360

約数和(自身を除く): 34412840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 41, 56, 68, 70, 82, 85, 97, 119, 136, 140, 164, 170, 194, 205, 238, 280, 287, 328, 340, 388, 410, 476, 485, 574, 595, 679, 680, 697, 776, 820, 952, 970, 1148, 1190, 1358, 1394, 1435, 1640, 1649, 1940, 2296, 2380, 2716, 2788, 2870, 3298, 3395, 3485, 3880, 3977, 4760, 4879, 5432, 5576, 5740, 6596, 6790, 6970, 7954, 8245, 9758, 11480, 11543, 13192, 13580, 13940, 15908, 16490, 19516, 19885, 23086, 24395, 27160, 27839, 27880, 31816, 32980, 39032, 39770, 46172, 48790, 55678, 57715, 65960, 67609, 79540, 92344, 97580, 111356, 115430, 135218, 139195, 159080, 195160, 222712, 230860, 270436, 278390, 338045, 461720, 473263, 540872, 556780, 676090, 946526, 1113560, 1352180, 1893052, 2366315, 2704360, 3786104, 4732630, 9465260, 18930520]

約数ペア:

[(1, 18930520), (2, 9465260), (4, 4732630), (5, 3786104), (7, 2704360), (8, 2366315), (10, 1893052), (14, 1352180), (17, 1113560), (20, 946526), (28, 676090), (34, 556780), (35, 540872), (40, 473263), (41, 461720), (56, 338045), (68, 278390), (70, 270436), (82, 230860), (85, 222712), (97, 195160), (119, 159080), (136, 139195), (140, 135218), (164, 115430), (170, 111356), (194, 97580), (205, 92344), (238, 79540), (280, 67609), (287, 65960), (328, 57715), (340, 55678), (388, 48790), (410, 46172), (476, 39770), (485, 39032), (574, 32980), (595, 31816), (679, 27880), (680, 27839), (697, 27160), (776, 24395), (820, 23086), (952, 19885), (970, 19516), (1148, 16490), (1190, 15908), (1358, 13940), (1394, 13580), (1435, 13192), (1640, 11543), (1649, 11480), (1940, 9758), (2296, 8245), (2380, 7954), (2716, 6970), (2788, 6790), (2870, 6596), (3298, 5740), (3395, 5576), (3485, 5432), (3880, 4879), (3977, 4760)]