19185240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 61560000

約数和(自身を除く): 42374760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 37, 40, 58, 60, 74, 87, 111, 116, 120, 145, 148, 149, 174, 185, 222, 232, 290, 296, 298, 348, 370, 435, 444, 447, 555, 580, 596, 696, 740, 745, 870, 888, 894, 1073, 1110, 1160, 1192, 1480, 1490, 1740, 1788, 2146, 2220, 2235, 2980, 3219, 3480, 3576, 4292, 4321, 4440, 4470, 5365, 5513, 5960, 6438, 8584, 8642, 8940, 10730, 11026, 12876, 12963, 16095, 16539, 17284, 17880, 21460, 21605, 22052, 25752, 25926, 27565, 32190, 33078, 34568, 42920, 43210, 44104, 51852, 55130, 64380, 64815, 66156, 82695, 86420, 103704, 110260, 128760, 129630, 132312, 159877, 165390, 172840, 220520, 259260, 319754, 330780, 479631, 518520, 639508, 661560, 799385, 959262, 1279016, 1598770, 1918524, 2398155, 3197540, 3837048, 4796310, 6395080, 9592620, 19185240]

約数ペア:

[(1, 19185240), (2, 9592620), (3, 6395080), (4, 4796310), (5, 3837048), (6, 3197540), (8, 2398155), (10, 1918524), (12, 1598770), (15, 1279016), (20, 959262), (24, 799385), (29, 661560), (30, 639508), (37, 518520), (40, 479631), (58, 330780), (60, 319754), (74, 259260), (87, 220520), (111, 172840), (116, 165390), (120, 159877), (145, 132312), (148, 129630), (149, 128760), (174, 110260), (185, 103704), (222, 86420), (232, 82695), (290, 66156), (296, 64815), (298, 64380), (348, 55130), (370, 51852), (435, 44104), (444, 43210), (447, 42920), (555, 34568), (580, 33078), (596, 32190), (696, 27565), (740, 25926), (745, 25752), (870, 22052), (888, 21605), (894, 21460), (1073, 17880), (1110, 17284), (1160, 16539), (1192, 16095), (1480, 12963), (1490, 12876), (1740, 11026), (1788, 10730), (2146, 8940), (2220, 8642), (2235, 8584), (2980, 6438), (3219, 5960), (3480, 5513), (3576, 5365), (4292, 4470), (4321, 4440)]