19005804620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{3461}}^1$

素因数の和:3819

約数の個数: 96

約数和(自身を含む): 44144654400

約数和(自身を除く): 25138849780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 229, 436, 458, 545, 916, 1090, 1145, 1199, 2180, 2290, 2398, 2519, 3461, 4580, 4796, 5038, 5995, 6922, 10076, 11990, 12595, 13844, 17305, 23980, 24961, 25190, 34610, 38071, 49922, 50380, 69220, 76142, 99844, 124805, 152284, 190355, 249610, 274571, 377249, 380710, 499220, 549142, 754498, 761420, 792569, 1098284, 1372855, 1508996, 1585138, 1886245, 2745710, 3170276, 3772490, 3962845, 4149739, 5491420, 7544980, 7925690, 8299478, 8718259, 15851380, 16598956, 17436518, 20748695, 34873036, 41497390, 43591295, 82994780, 86390021, 87182590, 172780042, 174365180, 345560084, 431950105, 863900210, 950290231, 1727800420, 1900580462, 3801160924, 4751451155, 9502902310, 19005804620]

約数ペア:

[(1, 19005804620), (2, 9502902310), (4, 4751451155), (5, 3801160924), (10, 1900580462), (11, 1727800420), (20, 950290231), (22, 863900210), (44, 431950105), (55, 345560084), (109, 174365180), (110, 172780042), (218, 87182590), (220, 86390021), (229, 82994780), (436, 43591295), (458, 41497390), (545, 34873036), (916, 20748695), (1090, 17436518), (1145, 16598956), (1199, 15851380), (2180, 8718259), (2290, 8299478), (2398, 7925690), (2519, 7544980), (3461, 5491420), (4580, 4149739), (4796, 3962845), (5038, 3772490), (5995, 3170276), (6922, 2745710), (10076, 1886245), (11990, 1585138), (12595, 1508996), (13844, 1372855), (17305, 1098284), (23980, 792569), (24961, 761420), (25190, 754498), (34610, 549142), (38071, 499220), (49922, 380710), (50380, 377249), (69220, 274571), (76142, 249610), (99844, 190355), (124805, 152284)]