19220368

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{419}}^1$

素因数の和:535

約数の個数: 40

約数和(自身を含む): 38747520

約数和(自身を除く): 19527152

約数列:

[1, 2, 4, 8, 16, 47, 61, 94, 122, 188, 244, 376, 419, 488, 752, 838, 976, 1676, 2867, 3352, 5734, 6704, 11468, 19693, 22936, 25559, 39386, 45872, 51118, 78772, 102236, 157544, 204472, 315088, 408944, 1201273, 2402546, 4805092, 9610184, 19220368]

約数ペア:

[(1, 19220368), (2, 9610184), (4, 4805092), (8, 2402546), (16, 1201273), (47, 408944), (61, 315088), (94, 204472), (122, 157544), (188, 102236), (244, 78772), (376, 51118), (419, 45872), (488, 39386), (752, 25559), (838, 22936), (976, 19693), (1676, 11468), (2867, 6704), (3352, 5734)]