18907710

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 47623680

約数和(自身を除く): 28715970

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 103, 145, 174, 206, 211, 290, 309, 422, 435, 515, 618, 633, 870, 1030, 1055, 1266, 1545, 2110, 2987, 3090, 3165, 5974, 6119, 6330, 8961, 12238, 14935, 17922, 18357, 21733, 29870, 30595, 36714, 43466, 44805, 61190, 65199, 89610, 91785, 108665, 130398, 183570, 217330, 325995, 630257, 651990, 1260514, 1890771, 3151285, 3781542, 6302570, 9453855, 18907710]

約数ペア:

[(1, 18907710), (2, 9453855), (3, 6302570), (5, 3781542), (6, 3151285), (10, 1890771), (15, 1260514), (29, 651990), (30, 630257), (58, 325995), (87, 217330), (103, 183570), (145, 130398), (174, 108665), (206, 91785), (211, 89610), (290, 65199), (309, 61190), (422, 44805), (435, 43466), (515, 36714), (618, 30595), (633, 29870), (870, 21733), (1030, 18357), (1055, 17922), (1266, 14935), (1545, 12238), (2110, 8961), (2987, 6330), (3090, 6119), (3165, 5974)]