19373540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2999}}^1$

素因数の和:3044

約数の個数: 48

約数和(自身を含む): 45360000

約数和(自身を除く): 25986460

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 2999, 3230, 5998, 6460, 11996, 14995, 29990, 50983, 56981, 59980, 101966, 113962, 203932, 227924, 254915, 284905, 509830, 569810, 968677, 1019660, 1139620, 1937354, 3874708, 4843385, 9686770, 19373540]

約数ペア:

[(1, 19373540), (2, 9686770), (4, 4843385), (5, 3874708), (10, 1937354), (17, 1139620), (19, 1019660), (20, 968677), (34, 569810), (38, 509830), (68, 284905), (76, 254915), (85, 227924), (95, 203932), (170, 113962), (190, 101966), (323, 59980), (340, 56981), (380, 50983), (646, 29990), (1292, 14995), (1615, 11996), (2999, 6460), (3230, 5998)]