19957697762

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{35069}}^1$

素因数の和:35306

約数の個数: 32

約数和(自身を含む): 31593300480

約数和(自身を除く): 11635602718

約数列:

[1, 2, 31, 62, 67, 134, 137, 274, 2077, 4154, 4247, 8494, 9179, 18358, 35069, 70138, 284549, 569098, 1087139, 2174278, 2349623, 4699246, 4804453, 9608906, 72838313, 145676626, 148938043, 297876086, 321898351, 643796702, 9978848881, 19957697762]

約数ペア:

[(1, 19957697762), (2, 9978848881), (31, 643796702), (62, 321898351), (67, 297876086), (134, 148938043), (137, 145676626), (274, 72838313), (2077, 9608906), (4154, 4804453), (4247, 4699246), (8494, 2349623), (9179, 2174278), (18358, 1087139), (35069, 569098), (70138, 284549)]