18873156

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:169

約数の個数: 96

約数和(自身を含む): 49996800

約数和(自身を除く): 31123644

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 59, 61, 69, 76, 92, 114, 118, 122, 138, 177, 183, 228, 236, 244, 276, 354, 366, 437, 708, 732, 874, 1121, 1159, 1311, 1357, 1403, 1748, 2242, 2318, 2622, 2714, 2806, 3363, 3477, 3599, 4071, 4209, 4484, 4636, 5244, 5428, 5612, 6726, 6954, 7198, 8142, 8418, 10797, 13452, 13908, 14396, 16284, 16836, 21594, 25783, 26657, 43188, 51566, 53314, 68381, 77349, 79971, 82777, 103132, 106628, 136762, 154698, 159942, 165554, 205143, 248331, 273524, 309396, 319884, 331108, 410286, 496662, 820572, 993324, 1572763, 3145526, 4718289, 6291052, 9436578, 18873156]

約数ペア:

[(1, 18873156), (2, 9436578), (3, 6291052), (4, 4718289), (6, 3145526), (12, 1572763), (19, 993324), (23, 820572), (38, 496662), (46, 410286), (57, 331108), (59, 319884), (61, 309396), (69, 273524), (76, 248331), (92, 205143), (114, 165554), (118, 159942), (122, 154698), (138, 136762), (177, 106628), (183, 103132), (228, 82777), (236, 79971), (244, 77349), (276, 68381), (354, 53314), (366, 51566), (437, 43188), (708, 26657), (732, 25783), (874, 21594), (1121, 16836), (1159, 16284), (1311, 14396), (1357, 13908), (1403, 13452), (1748, 10797), (2242, 8418), (2318, 8142), (2622, 7198), (2714, 6954), (2806, 6726), (3363, 5612), (3477, 5428), (3599, 5244), (4071, 4636), (4209, 4484)]