18740888974070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{4447}}^1\times {\mathrm{133321}}^1$

素因数の和:137913

約数の個数: 64

約数和(自身を含む): 35225165606400

約数和(自身を除く): 16484276632330

約数列:

[1, 2, 5, 10, 29, 58, 109, 145, 218, 290, 545, 1090, 3161, 4447, 6322, 8894, 15805, 22235, 31610, 44470, 128963, 133321, 257926, 266642, 484723, 644815, 666605, 969446, 1289630, 1333210, 2423615, 3866309, 4847230, 7732618, 14056967, 14531989, 19331545, 28113934, 29063978, 38663090, 70284835, 72659945, 140569670, 145319890, 421427681, 592878487, 842855362, 1185756974, 2107138405, 2964392435, 4214276810, 5928784870, 17193476123, 34386952246, 64623755083, 85967380615, 129247510166, 171934761230, 323118775415, 646237550830, 1874088897407, 3748177794814, 9370444487035, 18740888974070]

約数ペア:

[(1, 18740888974070), (2, 9370444487035), (5, 3748177794814), (10, 1874088897407), (29, 646237550830), (58, 323118775415), (109, 171934761230), (145, 129247510166), (218, 85967380615), (290, 64623755083), (545, 34386952246), (1090, 17193476123), (3161, 5928784870), (4447, 4214276810), (6322, 2964392435), (8894, 2107138405), (15805, 1185756974), (22235, 842855362), (31610, 592878487), (44470, 421427681), (128963, 145319890), (133321, 140569670), (257926, 72659945), (266642, 70284835), (484723, 38663090), (644815, 29063978), (666605, 28113934), (969446, 19331545), (1289630, 14531989), (1333210, 14056967), (2423615, 7732618), (3866309, 4847230)]