19331600

素因数分解:

$2^4\times 5^2\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1608

約数の個数: 60

約数和(自身を含む): 47973120

約数和(自身を除く): 28641520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 155, 200, 248, 310, 400, 496, 620, 775, 1240, 1550, 1559, 2480, 3100, 3118, 6200, 6236, 7795, 12400, 12472, 15590, 24944, 31180, 38975, 48329, 62360, 77950, 96658, 124720, 155900, 193316, 241645, 311800, 386632, 483290, 623600, 773264, 966580, 1208225, 1933160, 2416450, 3866320, 4832900, 9665800, 19331600]

約数ペア:

[(1, 19331600), (2, 9665800), (4, 4832900), (5, 3866320), (8, 2416450), (10, 1933160), (16, 1208225), (20, 966580), (25, 773264), (31, 623600), (40, 483290), (50, 386632), (62, 311800), (80, 241645), (100, 193316), (124, 155900), (155, 124720), (200, 96658), (248, 77950), (310, 62360), (400, 48329), (496, 38975), (620, 31180), (775, 24944), (1240, 15590), (1550, 12472), (1559, 12400), (2480, 7795), (3100, 6236), (3118, 6200)]