19768710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:489

約数の個数: 64

約数和(自身を含む): 51565248

約数和(自身を除く): 31796538

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 173, 195, 293, 346, 390, 519, 586, 865, 879, 1038, 1465, 1730, 1758, 2249, 2595, 2930, 3809, 4395, 4498, 5190, 6747, 7618, 8790, 11245, 11427, 13494, 19045, 22490, 22854, 33735, 38090, 50689, 57135, 67470, 101378, 114270, 152067, 253445, 304134, 506890, 658957, 760335, 1317914, 1520670, 1976871, 3294785, 3953742, 6589570, 9884355, 19768710]

約数ペア:

[(1, 19768710), (2, 9884355), (3, 6589570), (5, 3953742), (6, 3294785), (10, 1976871), (13, 1520670), (15, 1317914), (26, 760335), (30, 658957), (39, 506890), (65, 304134), (78, 253445), (130, 152067), (173, 114270), (195, 101378), (293, 67470), (346, 57135), (390, 50689), (519, 38090), (586, 33735), (865, 22854), (879, 22490), (1038, 19045), (1465, 13494), (1730, 11427), (1758, 11245), (2249, 8790), (2595, 7618), (2930, 6747), (3809, 5190), (4395, 4498)]