19688992

素因数分解:

$2^5\times {\mathrm{17}}^2\times {\mathrm{2129}}^1$

素因数の和:2173

約数の個数: 36

約数和(自身を含む): 41196330

約数和(自身を除く): 21507338

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 289, 544, 578, 1156, 2129, 2312, 4258, 4624, 8516, 9248, 17032, 34064, 36193, 68128, 72386, 144772, 289544, 579088, 615281, 1158176, 1230562, 2461124, 4922248, 9844496, 19688992]

約数ペア:

[(1, 19688992), (2, 9844496), (4, 4922248), (8, 2461124), (16, 1230562), (17, 1158176), (32, 615281), (34, 579088), (68, 289544), (136, 144772), (272, 72386), (289, 68128), (544, 36193), (578, 34064), (1156, 17032), (2129, 9248), (2312, 8516), (4258, 4624)]