19913608

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 64

約数和(自身を含む): 44553600

約数和(自身を除く): 24639992

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 103, 104, 143, 169, 206, 286, 338, 412, 572, 676, 824, 1133, 1144, 1339, 1352, 1859, 2197, 2266, 2678, 3718, 4394, 4532, 5356, 7436, 8788, 9064, 10712, 14729, 14872, 17407, 17576, 24167, 29458, 34814, 48334, 58916, 69628, 96668, 117832, 139256, 191477, 193336, 226291, 382954, 452582, 765908, 905164, 1531816, 1810328, 2489201, 4978402, 9956804, 19913608]

約数ペア:

[(1, 19913608), (2, 9956804), (4, 4978402), (8, 2489201), (11, 1810328), (13, 1531816), (22, 905164), (26, 765908), (44, 452582), (52, 382954), (88, 226291), (103, 193336), (104, 191477), (143, 139256), (169, 117832), (206, 96668), (286, 69628), (338, 58916), (412, 48334), (572, 34814), (676, 29458), (824, 24167), (1133, 17576), (1144, 17407), (1339, 14872), (1352, 14729), (1859, 10712), (2197, 9064), (2266, 8788), (2678, 7436), (3718, 5356), (4394, 4532)]