19088212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:209

約数の個数: 72

約数和(自身を含む): 42057792

約数和(自身を除く): 22969580

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 151, 169, 187, 221, 286, 302, 338, 374, 442, 572, 604, 676, 748, 884, 1661, 1859, 1963, 2431, 2567, 2873, 3322, 3718, 3926, 4862, 5134, 5746, 6644, 7436, 7852, 9724, 10268, 11492, 21593, 25519, 28237, 31603, 33371, 43186, 51038, 56474, 63206, 66742, 86372, 102076, 112948, 126412, 133484, 280709, 367081, 433823, 561418, 734162, 867646, 1122836, 1468324, 1735292, 4772053, 9544106, 19088212]

約数ペア:

[(1, 19088212), (2, 9544106), (4, 4772053), (11, 1735292), (13, 1468324), (17, 1122836), (22, 867646), (26, 734162), (34, 561418), (44, 433823), (52, 367081), (68, 280709), (143, 133484), (151, 126412), (169, 112948), (187, 102076), (221, 86372), (286, 66742), (302, 63206), (338, 56474), (374, 51038), (442, 43186), (572, 33371), (604, 31603), (676, 28237), (748, 25519), (884, 21593), (1661, 11492), (1859, 10268), (1963, 9724), (2431, 7852), (2567, 7436), (2873, 6644), (3322, 5746), (3718, 5134), (3926, 4862)]