15221128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7703}}^1$

素因数の和:7741

約数の個数: 32

約数和(自身を含む): 32356800

約数和(自身を除く): 17135672

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 7703, 15406, 30812, 61624, 100139, 146357, 200278, 292714, 400556, 585428, 801112, 1170856, 1902641, 3805282, 7610564, 15221128]

約数ペア:

[(1, 15221128), (2, 7610564), (4, 3805282), (8, 1902641), (13, 1170856), (19, 801112), (26, 585428), (38, 400556), (52, 292714), (76, 200278), (104, 146357), (152, 100139), (247, 61624), (494, 30812), (988, 15406), (1976, 7703)]