19912464

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:1005

約数の個数: 120

約数和(自身を含む): 65537472

約数和(自身を除く): 45625008

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 16, 18, 22, 24, 26, 33, 36, 39, 44, 48, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 144, 156, 176, 198, 208, 234, 264, 286, 312, 396, 429, 468, 528, 572, 624, 792, 858, 936, 967, 1144, 1287, 1584, 1716, 1872, 1934, 2288, 2574, 2901, 3432, 3868, 5148, 5802, 6864, 7736, 8703, 10296, 10637, 11604, 12571, 15472, 17406, 20592, 21274, 23208, 25142, 31911, 34812, 37713, 42548, 46416, 50284, 63822, 69624, 75426, 85096, 95733, 100568, 113139, 127644, 138281, 139248, 150852, 170192, 191466, 201136, 226278, 255288, 276562, 301704, 382932, 414843, 452556, 510576, 553124, 603408, 765864, 829686, 905112, 1106248, 1244529, 1531728, 1659372, 1810224, 2212496, 2489058, 3318744, 4978116, 6637488, 9956232, 19912464]

約数ペア:

[(1, 19912464), (2, 9956232), (3, 6637488), (4, 4978116), (6, 3318744), (8, 2489058), (9, 2212496), (11, 1810224), (12, 1659372), (13, 1531728), (16, 1244529), (18, 1106248), (22, 905112), (24, 829686), (26, 765864), (33, 603408), (36, 553124), (39, 510576), (44, 452556), (48, 414843), (52, 382932), (66, 301704), (72, 276562), (78, 255288), (88, 226278), (99, 201136), (104, 191466), (117, 170192), (132, 150852), (143, 139248), (144, 138281), (156, 127644), (176, 113139), (198, 100568), (208, 95733), (234, 85096), (264, 75426), (286, 69624), (312, 63822), (396, 50284), (429, 46416), (468, 42548), (528, 37713), (572, 34812), (624, 31911), (792, 25142), (858, 23208), (936, 21274), (967, 20592), (1144, 17406), (1287, 15472), (1584, 12571), (1716, 11604), (1872, 10637), (1934, 10296), (2288, 8703), (2574, 7736), (2901, 6864), (3432, 5802), (3868, 5148)]