19593340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{421}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 44664480

約数和(自身を除く): 25071140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 179, 260, 358, 421, 716, 842, 895, 1684, 1790, 2105, 2327, 3580, 4210, 4654, 5473, 8420, 9308, 10946, 11635, 21892, 23270, 27365, 46540, 54730, 75359, 109460, 150718, 301436, 376795, 753590, 979667, 1507180, 1959334, 3918668, 4898335, 9796670, 19593340]

約数ペア:

[(1, 19593340), (2, 9796670), (4, 4898335), (5, 3918668), (10, 1959334), (13, 1507180), (20, 979667), (26, 753590), (52, 376795), (65, 301436), (130, 150718), (179, 109460), (260, 75359), (358, 54730), (421, 46540), (716, 27365), (842, 23270), (895, 21892), (1684, 11635), (1790, 10946), (2105, 9308), (2327, 8420), (3580, 5473), (4210, 4654)]