17918460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{14221}}^1$

素因数の和:14243

約数の個数: 72

約数和(自身を含む): 62121696

約数和(自身を除く): 44203236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 14221, 28442, 42663, 56884, 71105, 85326, 99547, 127989, 142210, 170652, 199094, 213315, 255978, 284420, 298641, 398188, 426630, 497735, 511956, 597282, 639945, 853260, 895923, 995470, 1194564, 1279890, 1493205, 1791846, 1990940, 2559780, 2986410, 3583692, 4479615, 5972820, 8959230, 17918460]

約数ペア:

[(1, 17918460), (2, 8959230), (3, 5972820), (4, 4479615), (5, 3583692), (6, 2986410), (7, 2559780), (9, 1990940), (10, 1791846), (12, 1493205), (14, 1279890), (15, 1194564), (18, 995470), (20, 895923), (21, 853260), (28, 639945), (30, 597282), (35, 511956), (36, 497735), (42, 426630), (45, 398188), (60, 298641), (63, 284420), (70, 255978), (84, 213315), (90, 199094), (105, 170652), (126, 142210), (140, 127989), (180, 99547), (210, 85326), (252, 71105), (315, 56884), (420, 42663), (630, 28442), (1260, 14221)]