19084020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13829}}^1$

素因数の和:13864

約数の個数: 48

約数和(自身を含む): 55762560

約数和(自身を除く): 36678540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13829, 27658, 41487, 55316, 69145, 82974, 138290, 165948, 207435, 276580, 318067, 414870, 636134, 829740, 954201, 1272268, 1590335, 1908402, 3180670, 3816804, 4771005, 6361340, 9542010, 19084020]

約数ペア:

[(1, 19084020), (2, 9542010), (3, 6361340), (4, 4771005), (5, 3816804), (6, 3180670), (10, 1908402), (12, 1590335), (15, 1272268), (20, 954201), (23, 829740), (30, 636134), (46, 414870), (60, 318067), (69, 276580), (92, 207435), (115, 165948), (138, 138290), (230, 82974), (276, 69145), (345, 55316), (460, 41487), (690, 27658), (1380, 13829)]