19437029264

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{642419}}^1$

素因数の和:642519

約数の個数: 40

約数和(自身を含む): 39511399680

約数和(自身を除く): 20074370416

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 122, 124, 244, 248, 488, 496, 976, 1891, 3782, 7564, 15128, 30256, 642419, 1284838, 2569676, 5139352, 10278704, 19914989, 39187559, 39829978, 78375118, 79659956, 156750236, 159319912, 313500472, 318639824, 627000944, 1214814329, 2429628658, 4859257316, 9718514632, 19437029264]

約数ペア:

[(1, 19437029264), (2, 9718514632), (4, 4859257316), (8, 2429628658), (16, 1214814329), (31, 627000944), (61, 318639824), (62, 313500472), (122, 159319912), (124, 156750236), (244, 79659956), (248, 78375118), (488, 39829978), (496, 39187559), (976, 19914989), (1891, 10278704), (3782, 5139352), (7564, 2569676), (15128, 1284838), (30256, 642419)]