19245420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3495

約数の個数: 72

約数和(自身を含む): 60278400

約数和(自身を除く): 41032980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 3449, 5580, 6898, 10347, 13796, 17245, 20694, 31041, 34490, 41388, 51735, 62082, 68980, 103470, 106919, 124164, 155205, 206940, 213838, 310410, 320757, 427676, 534595, 620820, 641514, 962271, 1069190, 1283028, 1603785, 1924542, 2138380, 3207570, 3849084, 4811355, 6415140, 9622710, 19245420]

約数ペア:

[(1, 19245420), (2, 9622710), (3, 6415140), (4, 4811355), (5, 3849084), (6, 3207570), (9, 2138380), (10, 1924542), (12, 1603785), (15, 1283028), (18, 1069190), (20, 962271), (30, 641514), (31, 620820), (36, 534595), (45, 427676), (60, 320757), (62, 310410), (90, 213838), (93, 206940), (124, 155205), (155, 124164), (180, 106919), (186, 103470), (279, 68980), (310, 62082), (372, 51735), (465, 41388), (558, 34490), (620, 31041), (930, 20694), (1116, 17245), (1395, 13796), (1860, 10347), (2790, 6898), (3449, 5580)]