19257260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 49351680

約数和(自身を除く): 30094420

約数列:

[1, 2, 4, 5, 10, 11, 17, 19, 20, 22, 34, 38, 44, 55, 68, 76, 85, 95, 110, 170, 187, 190, 209, 220, 271, 323, 340, 374, 380, 418, 542, 646, 748, 836, 935, 1045, 1084, 1292, 1355, 1615, 1870, 2090, 2710, 2981, 3230, 3553, 3740, 4180, 4607, 5149, 5420, 5962, 6460, 7106, 9214, 10298, 11924, 14212, 14905, 17765, 18428, 20596, 23035, 25745, 29810, 35530, 46070, 50677, 51490, 56639, 59620, 71060, 87533, 92140, 101354, 102980, 113278, 175066, 202708, 226556, 253385, 283195, 350132, 437665, 506770, 566390, 875330, 962863, 1013540, 1132780, 1750660, 1925726, 3851452, 4814315, 9628630, 19257260]

約数ペア:

[(1, 19257260), (2, 9628630), (4, 4814315), (5, 3851452), (10, 1925726), (11, 1750660), (17, 1132780), (19, 1013540), (20, 962863), (22, 875330), (34, 566390), (38, 506770), (44, 437665), (55, 350132), (68, 283195), (76, 253385), (85, 226556), (95, 202708), (110, 175066), (170, 113278), (187, 102980), (190, 101354), (209, 92140), (220, 87533), (271, 71060), (323, 59620), (340, 56639), (374, 51490), (380, 50677), (418, 46070), (542, 35530), (646, 29810), (748, 25745), (836, 23035), (935, 20596), (1045, 18428), (1084, 17765), (1292, 14905), (1355, 14212), (1615, 11924), (1870, 10298), (2090, 9214), (2710, 7106), (2981, 6460), (3230, 5962), (3553, 5420), (3740, 5149), (4180, 4607)]