18771792

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1$

素因数の和:540

約数の個数: 80

約数和(自身を含む): 53121600

約数和(自身を除く): 34349808

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 67, 78, 104, 134, 156, 201, 208, 268, 312, 402, 449, 536, 624, 804, 871, 898, 1072, 1347, 1608, 1742, 1796, 2613, 2694, 3216, 3484, 3592, 5226, 5388, 5837, 6968, 7184, 10452, 10776, 11674, 13936, 17511, 20904, 21552, 23348, 30083, 35022, 41808, 46696, 60166, 70044, 90249, 93392, 120332, 140088, 180498, 240664, 280176, 360996, 391079, 481328, 721992, 782158, 1173237, 1443984, 1564316, 2346474, 3128632, 4692948, 6257264, 9385896, 18771792]

約数ペア:

[(1, 18771792), (2, 9385896), (3, 6257264), (4, 4692948), (6, 3128632), (8, 2346474), (12, 1564316), (13, 1443984), (16, 1173237), (24, 782158), (26, 721992), (39, 481328), (48, 391079), (52, 360996), (67, 280176), (78, 240664), (104, 180498), (134, 140088), (156, 120332), (201, 93392), (208, 90249), (268, 70044), (312, 60166), (402, 46696), (449, 41808), (536, 35022), (624, 30083), (804, 23348), (871, 21552), (898, 20904), (1072, 17511), (1347, 13936), (1608, 11674), (1742, 10776), (1796, 10452), (2613, 7184), (2694, 6968), (3216, 5837), (3484, 5388), (3592, 5226)]