18940482

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:384

約数の個数: 72

約数和(自身を含む): 47700432

約数和(自身を除く): 28759950

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 51, 66, 99, 102, 153, 187, 198, 289, 306, 331, 374, 561, 578, 662, 867, 993, 1122, 1683, 1734, 1986, 2601, 2979, 3179, 3366, 3641, 5202, 5627, 5958, 6358, 7282, 9537, 10923, 11254, 16881, 19074, 21846, 28611, 32769, 33762, 50643, 57222, 61897, 65538, 95659, 101286, 123794, 185691, 191318, 286977, 371382, 557073, 573954, 860931, 1052249, 1114146, 1721862, 2104498, 3156747, 6313494, 9470241, 18940482]

約数ペア:

[(1, 18940482), (2, 9470241), (3, 6313494), (6, 3156747), (9, 2104498), (11, 1721862), (17, 1114146), (18, 1052249), (22, 860931), (33, 573954), (34, 557073), (51, 371382), (66, 286977), (99, 191318), (102, 185691), (153, 123794), (187, 101286), (198, 95659), (289, 65538), (306, 61897), (331, 57222), (374, 50643), (561, 33762), (578, 32769), (662, 28611), (867, 21846), (993, 19074), (1122, 16881), (1683, 11254), (1734, 10923), (1986, 9537), (2601, 7282), (2979, 6358), (3179, 5958), (3366, 5627), (3641, 5202)]