18953520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{523}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 59258112

約数和(自身を除く): 40304592

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 151, 240, 302, 453, 523, 604, 755, 906, 1046, 1208, 1510, 1569, 1812, 2092, 2265, 2416, 2615, 3020, 3138, 3624, 4184, 4530, 5230, 6040, 6276, 7248, 7845, 8368, 9060, 10460, 12080, 12552, 15690, 18120, 20920, 25104, 31380, 36240, 41840, 62760, 78973, 125520, 157946, 236919, 315892, 394865, 473838, 631784, 789730, 947676, 1184595, 1263568, 1579460, 1895352, 2369190, 3158920, 3790704, 4738380, 6317840, 9476760, 18953520]

約数ペア:

[(1, 18953520), (2, 9476760), (3, 6317840), (4, 4738380), (5, 3790704), (6, 3158920), (8, 2369190), (10, 1895352), (12, 1579460), (15, 1263568), (16, 1184595), (20, 947676), (24, 789730), (30, 631784), (40, 473838), (48, 394865), (60, 315892), (80, 236919), (120, 157946), (151, 125520), (240, 78973), (302, 62760), (453, 41840), (523, 36240), (604, 31380), (755, 25104), (906, 20920), (1046, 18120), (1208, 15690), (1510, 12552), (1569, 12080), (1812, 10460), (2092, 9060), (2265, 8368), (2416, 7845), (2615, 7248), (3020, 6276), (3138, 6040), (3624, 5230), (4184, 4530)]