19780704

素因数分解:

$2^5\times 3^2\times {\mathrm{68683}}^1$

素因数の和:68699

約数の個数: 36

約数和(自身を含む): 56252196

約数和(自身を除く): 36471492

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 68683, 137366, 206049, 274732, 412098, 549464, 618147, 824196, 1098928, 1236294, 1648392, 2197856, 2472588, 3296784, 4945176, 6593568, 9890352, 19780704]

約数ペア:

[(1, 19780704), (2, 9890352), (3, 6593568), (4, 4945176), (6, 3296784), (8, 2472588), (9, 2197856), (12, 1648392), (16, 1236294), (18, 1098928), (24, 824196), (32, 618147), (36, 549464), (48, 412098), (72, 274732), (96, 206049), (144, 137366), (288, 68683)]