19742372

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{971}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 41150592

約数和(自身を除く): 21408220

約数列:

[1, 2, 4, 13, 17, 23, 26, 34, 46, 52, 68, 92, 221, 299, 391, 442, 598, 782, 884, 971, 1196, 1564, 1942, 3884, 5083, 10166, 12623, 16507, 20332, 22333, 25246, 33014, 44666, 50492, 66028, 89332, 214591, 290329, 379661, 429182, 580658, 759322, 858364, 1161316, 1518644, 4935593, 9871186, 19742372]

約数ペア:

[(1, 19742372), (2, 9871186), (4, 4935593), (13, 1518644), (17, 1161316), (23, 858364), (26, 759322), (34, 580658), (46, 429182), (52, 379661), (68, 290329), (92, 214591), (221, 89332), (299, 66028), (391, 50492), (442, 44666), (598, 33014), (782, 25246), (884, 22333), (971, 20332), (1196, 16507), (1564, 12623), (1942, 10166), (3884, 5083)]