19415914

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 34338816

約数和(自身を除く): 14922902

約数列:

[1, 2, 7, 14, 53, 106, 137, 191, 274, 371, 382, 742, 959, 1337, 1918, 2674, 7261, 10123, 14522, 20246, 26167, 50827, 52334, 70861, 101654, 141722, 183169, 366338, 1386851, 2773702, 9707957, 19415914]

約数ペア:

[(1, 19415914), (2, 9707957), (7, 2773702), (14, 1386851), (53, 366338), (106, 183169), (137, 141722), (191, 101654), (274, 70861), (371, 52334), (382, 50827), (742, 26167), (959, 20246), (1337, 14522), (1918, 10123), (2674, 7261)]