19958157021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1\times {\mathrm{11617}}^1$

素因数の和:12369

約数の個数: 32

約数和(自身を含む): 29444659200

約数和(自身を除く): 9486502179

約数列:

[1, 3, 11, 33, 79, 237, 659, 869, 1977, 2607, 7249, 11617, 21747, 34851, 52061, 127787, 156183, 383361, 572671, 917743, 1718013, 2753229, 7655603, 10095173, 22966809, 30285519, 84211633, 252634899, 604792637, 1814377911, 6652719007, 19958157021]

約数ペア:

[(1, 19958157021), (3, 6652719007), (11, 1814377911), (33, 604792637), (79, 252634899), (237, 84211633), (659, 30285519), (869, 22966809), (1977, 10095173), (2607, 7655603), (7249, 2753229), (11617, 1718013), (21747, 917743), (34851, 572671), (52061, 383361), (127787, 156183)]