19084240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:716

約数の個数: 80

約数和(自身を含む): 51746688

約数和(自身を除く): 32662448

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 265, 280, 371, 424, 530, 560, 643, 742, 848, 1060, 1286, 1484, 1855, 2120, 2572, 2968, 3215, 3710, 4240, 4501, 5144, 5936, 6430, 7420, 9002, 10288, 12860, 14840, 18004, 22505, 25720, 29680, 34079, 36008, 45010, 51440, 68158, 72016, 90020, 136316, 170395, 180040, 238553, 272632, 340790, 360080, 477106, 545264, 681580, 954212, 1192765, 1363160, 1908424, 2385530, 2726320, 3816848, 4771060, 9542120, 19084240]

約数ペア:

[(1, 19084240), (2, 9542120), (4, 4771060), (5, 3816848), (7, 2726320), (8, 2385530), (10, 1908424), (14, 1363160), (16, 1192765), (20, 954212), (28, 681580), (35, 545264), (40, 477106), (53, 360080), (56, 340790), (70, 272632), (80, 238553), (106, 180040), (112, 170395), (140, 136316), (212, 90020), (265, 72016), (280, 68158), (371, 51440), (424, 45010), (530, 36008), (560, 34079), (643, 29680), (742, 25720), (848, 22505), (1060, 18004), (1286, 14840), (1484, 12860), (1855, 10288), (2120, 9002), (2572, 7420), (2968, 6430), (3215, 5936), (3710, 5144), (4240, 4501)]