19848720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{433}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 61996032

約数和(自身を除く): 42147312

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 191, 240, 382, 433, 573, 764, 866, 955, 1146, 1299, 1528, 1732, 1910, 2165, 2292, 2598, 2865, 3056, 3464, 3820, 4330, 4584, 5196, 5730, 6495, 6928, 7640, 8660, 9168, 10392, 11460, 12990, 15280, 17320, 20784, 22920, 25980, 34640, 45840, 51960, 82703, 103920, 165406, 248109, 330812, 413515, 496218, 661624, 827030, 992436, 1240545, 1323248, 1654060, 1984872, 2481090, 3308120, 3969744, 4962180, 6616240, 9924360, 19848720]

約数ペア:

[(1, 19848720), (2, 9924360), (3, 6616240), (4, 4962180), (5, 3969744), (6, 3308120), (8, 2481090), (10, 1984872), (12, 1654060), (15, 1323248), (16, 1240545), (20, 992436), (24, 827030), (30, 661624), (40, 496218), (48, 413515), (60, 330812), (80, 248109), (120, 165406), (191, 103920), (240, 82703), (382, 51960), (433, 45840), (573, 34640), (764, 25980), (866, 22920), (955, 20784), (1146, 17320), (1299, 15280), (1528, 12990), (1732, 11460), (1910, 10392), (2165, 9168), (2292, 8660), (2598, 7640), (2865, 6928), (3056, 6495), (3464, 5730), (3820, 5196), (4330, 4584)]