17923540

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:556

約数の個数: 48

約数和(自身を含む): 39472272

約数和(自身を除く): 21548732

約数列:

[1, 2, 4, 5, 10, 20, 37, 53, 74, 106, 148, 185, 212, 265, 370, 457, 530, 740, 914, 1060, 1828, 1961, 2285, 3922, 4570, 7844, 9140, 9805, 16909, 19610, 24221, 33818, 39220, 48442, 67636, 84545, 96884, 121105, 169090, 242210, 338180, 484420, 896177, 1792354, 3584708, 4480885, 8961770, 17923540]

約数ペア:

[(1, 17923540), (2, 8961770), (4, 4480885), (5, 3584708), (10, 1792354), (20, 896177), (37, 484420), (53, 338180), (74, 242210), (106, 169090), (148, 121105), (185, 96884), (212, 84545), (265, 67636), (370, 48442), (457, 39220), (530, 33818), (740, 24221), (914, 19610), (1060, 16909), (1828, 9805), (1961, 9140), (2285, 7844), (3922, 4570)]