18881808

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^2\times {\mathrm{3251}}^1$

素因数の和:3284

約数の個数: 60

約数和(自身を含む): 53631984

約数和(自身を除く): 34750176

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 121, 132, 176, 242, 264, 363, 484, 528, 726, 968, 1452, 1936, 2904, 3251, 5808, 6502, 9753, 13004, 19506, 26008, 35761, 39012, 52016, 71522, 78024, 107283, 143044, 156048, 214566, 286088, 393371, 429132, 572176, 786742, 858264, 1180113, 1573484, 1716528, 2360226, 3146968, 4720452, 6293936, 9440904, 18881808]

約数ペア:

[(1, 18881808), (2, 9440904), (3, 6293936), (4, 4720452), (6, 3146968), (8, 2360226), (11, 1716528), (12, 1573484), (16, 1180113), (22, 858264), (24, 786742), (33, 572176), (44, 429132), (48, 393371), (66, 286088), (88, 214566), (121, 156048), (132, 143044), (176, 107283), (242, 78024), (264, 71522), (363, 52016), (484, 39012), (528, 35761), (726, 26008), (968, 19506), (1452, 13004), (1936, 9753), (2904, 6502), (3251, 5808)]