19194500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2953}}^1$

素因数の和:2985

約数の個数: 48

約数和(自身を含む): 45160752

約数和(自身を除く): 25966252

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 2953, 3250, 5906, 6500, 11812, 14765, 29530, 38389, 59060, 73825, 76778, 147650, 153556, 191945, 295300, 369125, 383890, 738250, 767780, 959725, 1476500, 1919450, 3838900, 4798625, 9597250, 19194500]

約数ペア:

[(1, 19194500), (2, 9597250), (4, 4798625), (5, 3838900), (10, 1919450), (13, 1476500), (20, 959725), (25, 767780), (26, 738250), (50, 383890), (52, 369125), (65, 295300), (100, 191945), (125, 153556), (130, 147650), (250, 76778), (260, 73825), (325, 59060), (500, 38389), (650, 29530), (1300, 14765), (1625, 11812), (2953, 6500), (3250, 5906)]