18956880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{233}}^1$

素因数の和:365

約数の個数: 120

約数和(自身を含む): 64502568

約数和(自身を除く): 45545688

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 113, 120, 144, 180, 226, 233, 240, 339, 360, 452, 466, 565, 678, 699, 720, 904, 932, 1017, 1130, 1165, 1356, 1398, 1695, 1808, 1864, 2034, 2097, 2260, 2330, 2712, 2796, 3390, 3495, 3728, 4068, 4194, 4520, 4660, 5085, 5424, 5592, 6780, 6990, 8136, 8388, 9040, 9320, 10170, 10485, 11184, 13560, 13980, 16272, 16776, 18640, 20340, 20970, 26329, 27120, 27960, 33552, 40680, 41940, 52658, 55920, 78987, 81360, 83880, 105316, 131645, 157974, 167760, 210632, 236961, 263290, 315948, 394935, 421264, 473922, 526580, 631896, 789870, 947844, 1053160, 1184805, 1263792, 1579740, 1895688, 2106320, 2369610, 3159480, 3791376, 4739220, 6318960, 9478440, 18956880]

約数ペア:

[(1, 18956880), (2, 9478440), (3, 6318960), (4, 4739220), (5, 3791376), (6, 3159480), (8, 2369610), (9, 2106320), (10, 1895688), (12, 1579740), (15, 1263792), (16, 1184805), (18, 1053160), (20, 947844), (24, 789870), (30, 631896), (36, 526580), (40, 473922), (45, 421264), (48, 394935), (60, 315948), (72, 263290), (80, 236961), (90, 210632), (113, 167760), (120, 157974), (144, 131645), (180, 105316), (226, 83880), (233, 81360), (240, 78987), (339, 55920), (360, 52658), (452, 41940), (466, 40680), (565, 33552), (678, 27960), (699, 27120), (720, 26329), (904, 20970), (932, 20340), (1017, 18640), (1130, 16776), (1165, 16272), (1356, 13980), (1398, 13560), (1695, 11184), (1808, 10485), (1864, 10170), (2034, 9320), (2097, 9040), (2260, 8388), (2330, 8136), (2712, 6990), (2796, 6780), (3390, 5592), (3495, 5424), (3728, 5085), (4068, 4660), (4194, 4520)]