19282920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 61395840

約数和(自身を除く): 42112920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 101, 111, 120, 129, 148, 172, 185, 202, 215, 222, 258, 296, 303, 344, 370, 404, 430, 444, 505, 516, 555, 606, 645, 740, 808, 860, 888, 1010, 1032, 1110, 1212, 1290, 1480, 1515, 1591, 1720, 2020, 2220, 2424, 2580, 3030, 3182, 3737, 4040, 4343, 4440, 4773, 5160, 6060, 6364, 7474, 7955, 8686, 9546, 11211, 12120, 12728, 13029, 14948, 15910, 17372, 18685, 19092, 21715, 22422, 23865, 26058, 29896, 31820, 34744, 37370, 38184, 43430, 44844, 47730, 52116, 56055, 63640, 65145, 74740, 86860, 89688, 95460, 104232, 112110, 130290, 149480, 160691, 173720, 190920, 224220, 260580, 321382, 448440, 482073, 521160, 642764, 803455, 964146, 1285528, 1606910, 1928292, 2410365, 3213820, 3856584, 4820730, 6427640, 9641460, 19282920]

約数ペア:

[(1, 19282920), (2, 9641460), (3, 6427640), (4, 4820730), (5, 3856584), (6, 3213820), (8, 2410365), (10, 1928292), (12, 1606910), (15, 1285528), (20, 964146), (24, 803455), (30, 642764), (37, 521160), (40, 482073), (43, 448440), (60, 321382), (74, 260580), (86, 224220), (101, 190920), (111, 173720), (120, 160691), (129, 149480), (148, 130290), (172, 112110), (185, 104232), (202, 95460), (215, 89688), (222, 86860), (258, 74740), (296, 65145), (303, 63640), (344, 56055), (370, 52116), (404, 47730), (430, 44844), (444, 43430), (505, 38184), (516, 37370), (555, 34744), (606, 31820), (645, 29896), (740, 26058), (808, 23865), (860, 22422), (888, 21715), (1010, 19092), (1032, 18685), (1110, 17372), (1212, 15910), (1290, 14948), (1480, 13029), (1515, 12728), (1591, 12120), (1720, 11211), (2020, 9546), (2220, 8686), (2424, 7955), (2580, 7474), (3030, 6364), (3182, 6060), (3737, 5160), (4040, 4773), (4343, 4440)]