19203406

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1031}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 29473920

約数和(自身を除く): 10270514

約数列:

[1, 2, 67, 134, 139, 278, 1031, 2062, 9313, 18626, 69077, 138154, 143309, 286618, 9601703, 19203406]

約数ペア:

[(1, 19203406), (2, 9601703), (67, 286618), (134, 143309), (139, 138154), (278, 69077), (1031, 18626), (2062, 9313)]