19366000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{421}}^1$

素因数の和:467

約数の個数: 80

約数和(自身を含む): 48979008

約数和(自身を除く): 29613008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 421, 460, 500, 575, 842, 920, 1000, 1150, 1684, 1840, 2000, 2105, 2300, 2875, 3368, 4210, 4600, 5750, 6736, 8420, 9200, 9683, 10525, 11500, 16840, 19366, 21050, 23000, 33680, 38732, 42100, 46000, 48415, 52625, 77464, 84200, 96830, 105250, 154928, 168400, 193660, 210500, 242075, 387320, 421000, 484150, 774640, 842000, 968300, 1210375, 1936600, 2420750, 3873200, 4841500, 9683000, 19366000]

約数ペア:

[(1, 19366000), (2, 9683000), (4, 4841500), (5, 3873200), (8, 2420750), (10, 1936600), (16, 1210375), (20, 968300), (23, 842000), (25, 774640), (40, 484150), (46, 421000), (50, 387320), (80, 242075), (92, 210500), (100, 193660), (115, 168400), (125, 154928), (184, 105250), (200, 96830), (230, 84200), (250, 77464), (368, 52625), (400, 48415), (421, 46000), (460, 42100), (500, 38732), (575, 33680), (842, 23000), (920, 21050), (1000, 19366), (1150, 16840), (1684, 11500), (1840, 10525), (2000, 9683), (2105, 9200), (2300, 8420), (2875, 6736), (3368, 5750), (4210, 4600)]