18860028

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:479

約数の個数: 72

約数和(自身を含む): 50050560

約数和(自身を除く): 31190532

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 31, 33, 44, 62, 66, 93, 121, 124, 132, 186, 242, 341, 363, 372, 419, 484, 682, 726, 838, 1023, 1257, 1364, 1452, 1676, 2046, 2514, 3751, 4092, 4609, 5028, 7502, 9218, 11253, 12989, 13827, 15004, 18436, 22506, 25978, 27654, 38967, 45012, 50699, 51956, 55308, 77934, 101398, 142879, 152097, 155868, 202796, 285758, 304194, 428637, 571516, 608388, 857274, 1571669, 1714548, 3143338, 4715007, 6286676, 9430014, 18860028]

約数ペア:

[(1, 18860028), (2, 9430014), (3, 6286676), (4, 4715007), (6, 3143338), (11, 1714548), (12, 1571669), (22, 857274), (31, 608388), (33, 571516), (44, 428637), (62, 304194), (66, 285758), (93, 202796), (121, 155868), (124, 152097), (132, 142879), (186, 101398), (242, 77934), (341, 55308), (363, 51956), (372, 50699), (419, 45012), (484, 38967), (682, 27654), (726, 25978), (838, 22506), (1023, 18436), (1257, 15004), (1364, 13827), (1452, 12989), (1676, 11253), (2046, 9218), (2514, 7502), (3751, 5028), (4092, 4609)]