18703790

素因数分解:

$2^1\times 5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 80

約数和(自身を含む): 42351120

約数和(自身を除く): 23647330

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 41, 49, 70, 82, 95, 98, 133, 190, 205, 245, 266, 287, 343, 410, 490, 574, 665, 686, 779, 931, 1330, 1435, 1558, 1715, 1862, 2009, 2401, 2870, 3430, 3895, 4018, 4655, 4802, 5453, 6517, 7790, 9310, 10045, 10906, 12005, 13034, 14063, 20090, 24010, 27265, 28126, 32585, 38171, 45619, 54530, 65170, 70315, 76342, 91238, 98441, 140630, 190855, 196882, 228095, 267197, 381710, 456190, 492205, 534394, 984410, 1335985, 1870379, 2671970, 3740758, 9351895, 18703790]

約数ペア:

[(1, 18703790), (2, 9351895), (5, 3740758), (7, 2671970), (10, 1870379), (14, 1335985), (19, 984410), (35, 534394), (38, 492205), (41, 456190), (49, 381710), (70, 267197), (82, 228095), (95, 196882), (98, 190855), (133, 140630), (190, 98441), (205, 91238), (245, 76342), (266, 70315), (287, 65170), (343, 54530), (410, 45619), (490, 38171), (574, 32585), (665, 28126), (686, 27265), (779, 24010), (931, 20090), (1330, 14063), (1435, 13034), (1558, 12005), (1715, 10906), (1862, 10045), (2009, 9310), (2401, 7790), (2870, 6517), (3430, 5453), (3895, 4802), (4018, 4655)]