18015816

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 56689920

約数和(自身を除く): 38674104

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 73, 78, 84, 91, 104, 113, 146, 156, 168, 182, 219, 226, 273, 292, 312, 339, 364, 438, 452, 511, 546, 584, 678, 728, 791, 876, 904, 949, 1022, 1092, 1356, 1469, 1533, 1582, 1752, 1898, 2044, 2184, 2373, 2712, 2847, 2938, 3066, 3164, 3796, 4088, 4407, 4746, 5694, 5876, 6132, 6328, 6643, 7592, 8249, 8814, 9492, 10283, 11388, 11752, 12264, 13286, 16498, 17628, 18984, 19929, 20566, 22776, 24747, 26572, 30849, 32996, 35256, 39858, 41132, 49494, 53144, 57743, 61698, 65992, 79716, 82264, 98988, 107237, 115486, 123396, 159432, 173229, 197976, 214474, 230972, 246792, 321711, 346458, 428948, 461944, 643422, 692916, 750659, 857896, 1286844, 1385832, 1501318, 2251977, 2573688, 3002636, 4503954, 6005272, 9007908, 18015816]

約数ペア:

[(1, 18015816), (2, 9007908), (3, 6005272), (4, 4503954), (6, 3002636), (7, 2573688), (8, 2251977), (12, 1501318), (13, 1385832), (14, 1286844), (21, 857896), (24, 750659), (26, 692916), (28, 643422), (39, 461944), (42, 428948), (52, 346458), (56, 321711), (73, 246792), (78, 230972), (84, 214474), (91, 197976), (104, 173229), (113, 159432), (146, 123396), (156, 115486), (168, 107237), (182, 98988), (219, 82264), (226, 79716), (273, 65992), (292, 61698), (312, 57743), (339, 53144), (364, 49494), (438, 41132), (452, 39858), (511, 35256), (546, 32996), (584, 30849), (678, 26572), (728, 24747), (791, 22776), (876, 20566), (904, 19929), (949, 18984), (1022, 17628), (1092, 16498), (1356, 13286), (1469, 12264), (1533, 11752), (1582, 11388), (1752, 10283), (1898, 9492), (2044, 8814), (2184, 8249), (2373, 7592), (2712, 6643), (2847, 6328), (2938, 6132), (3066, 5876), (3164, 5694), (3796, 4746), (4088, 4407)]