19871208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{443}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 62337600

約数和(自身を除く): 42466392

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 89, 126, 168, 178, 252, 267, 356, 443, 504, 534, 623, 712, 801, 886, 1068, 1246, 1329, 1602, 1772, 1869, 2136, 2492, 2658, 3101, 3204, 3544, 3738, 3987, 4984, 5316, 5607, 6202, 6408, 7476, 7974, 9303, 10632, 11214, 12404, 14952, 15948, 18606, 22428, 24808, 27909, 31896, 37212, 39427, 44856, 55818, 74424, 78854, 111636, 118281, 157708, 223272, 236562, 275989, 315416, 354843, 473124, 551978, 709686, 827967, 946248, 1103956, 1419372, 1655934, 2207912, 2483901, 2838744, 3311868, 4967802, 6623736, 9935604, 19871208]

約数ペア:

[(1, 19871208), (2, 9935604), (3, 6623736), (4, 4967802), (6, 3311868), (7, 2838744), (8, 2483901), (9, 2207912), (12, 1655934), (14, 1419372), (18, 1103956), (21, 946248), (24, 827967), (28, 709686), (36, 551978), (42, 473124), (56, 354843), (63, 315416), (72, 275989), (84, 236562), (89, 223272), (126, 157708), (168, 118281), (178, 111636), (252, 78854), (267, 74424), (356, 55818), (443, 44856), (504, 39427), (534, 37212), (623, 31896), (712, 27909), (801, 24808), (886, 22428), (1068, 18606), (1246, 15948), (1329, 14952), (1602, 12404), (1772, 11214), (1869, 10632), (2136, 9303), (2492, 7974), (2658, 7476), (3101, 6408), (3204, 6202), (3544, 5607), (3738, 5316), (3987, 4984)]