19128720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6131}}^1$

素因数の和:6160

約数の個数: 80

約数和(自身を含む): 63870912

約数和(自身を除く): 44742192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 6131, 12262, 18393, 24524, 30655, 36786, 49048, 61310, 73572, 79703, 91965, 98096, 122620, 147144, 159406, 183930, 239109, 245240, 294288, 318812, 367860, 398515, 478218, 490480, 637624, 735720, 797030, 956436, 1195545, 1275248, 1471440, 1594060, 1912872, 2391090, 3188120, 3825744, 4782180, 6376240, 9564360, 19128720]

約数ペア:

[(1, 19128720), (2, 9564360), (3, 6376240), (4, 4782180), (5, 3825744), (6, 3188120), (8, 2391090), (10, 1912872), (12, 1594060), (13, 1471440), (15, 1275248), (16, 1195545), (20, 956436), (24, 797030), (26, 735720), (30, 637624), (39, 490480), (40, 478218), (48, 398515), (52, 367860), (60, 318812), (65, 294288), (78, 245240), (80, 239109), (104, 183930), (120, 159406), (130, 147144), (156, 122620), (195, 98096), (208, 91965), (240, 79703), (260, 73572), (312, 61310), (390, 49048), (520, 36786), (624, 30655), (780, 24524), (1040, 18393), (1560, 12262), (3120, 6131)]