19538992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5843}}^1$

素因数の和:5881

約数の個数: 40

約数和(自身を含む): 43479360

約数和(自身を除く): 23940368

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5843, 11686, 23372, 46744, 64273, 93488, 111017, 128546, 222034, 257092, 444068, 514184, 888136, 1028368, 1221187, 1776272, 2442374, 4884748, 9769496, 19538992]

約数ペア:

[(1, 19538992), (2, 9769496), (4, 4884748), (8, 2442374), (11, 1776272), (16, 1221187), (19, 1028368), (22, 888136), (38, 514184), (44, 444068), (76, 257092), (88, 222034), (152, 128546), (176, 111017), (209, 93488), (304, 64273), (418, 46744), (836, 23372), (1672, 11686), (3344, 5843)]