19653296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4973}}^1$

素因数の和:5013

約数の個数: 40

約数和(自身を含む): 43174320

約数和(自身を除く): 23521024

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4973, 9946, 19892, 39784, 64649, 79568, 94487, 129298, 188974, 258596, 377948, 517192, 755896, 1034384, 1228331, 1511792, 2456662, 4913324, 9826648, 19653296]

約数ペア:

[(1, 19653296), (2, 9826648), (4, 4913324), (8, 2456662), (13, 1511792), (16, 1228331), (19, 1034384), (26, 755896), (38, 517192), (52, 377948), (76, 258596), (104, 188974), (152, 129298), (208, 94487), (247, 79568), (304, 64649), (494, 39784), (988, 19892), (1976, 9946), (3952, 4973)]