19291920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2593}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 61757952

約数和(自身を除く): 42466032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2593, 3720, 5186, 7440, 7779, 10372, 12965, 15558, 20744, 25930, 31116, 38895, 41488, 51860, 62232, 77790, 80383, 103720, 124464, 155580, 160766, 207440, 241149, 311160, 321532, 401915, 482298, 622320, 643064, 803830, 964596, 1205745, 1286128, 1607660, 1929192, 2411490, 3215320, 3858384, 4822980, 6430640, 9645960, 19291920]

約数ペア:

[(1, 19291920), (2, 9645960), (3, 6430640), (4, 4822980), (5, 3858384), (6, 3215320), (8, 2411490), (10, 1929192), (12, 1607660), (15, 1286128), (16, 1205745), (20, 964596), (24, 803830), (30, 643064), (31, 622320), (40, 482298), (48, 401915), (60, 321532), (62, 311160), (80, 241149), (93, 207440), (120, 160766), (124, 155580), (155, 124464), (186, 103720), (240, 80383), (248, 77790), (310, 62232), (372, 51860), (465, 41488), (496, 38895), (620, 31116), (744, 25930), (930, 20744), (1240, 15558), (1488, 12965), (1860, 10372), (2480, 7779), (2593, 7440), (3720, 5186)]