19069020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 120

約数和(自身を含む): 60984000

約数和(自身を除く): 41914980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 149, 158, 162, 180, 237, 270, 298, 316, 324, 395, 405, 447, 474, 540, 596, 711, 745, 790, 810, 894, 948, 1185, 1341, 1422, 1490, 1580, 1620, 1788, 2133, 2235, 2370, 2682, 2844, 2980, 3555, 4023, 4266, 4470, 4740, 5364, 6399, 6705, 7110, 8046, 8532, 8940, 10665, 11771, 12069, 12798, 13410, 14220, 16092, 20115, 21330, 23542, 24138, 25596, 26820, 31995, 35313, 40230, 42660, 47084, 48276, 58855, 60345, 63990, 70626, 80460, 105939, 117710, 120690, 127980, 141252, 176565, 211878, 235420, 241380, 317817, 353130, 423756, 529695, 635634, 706260, 953451, 1059390, 1271268, 1589085, 1906902, 2118780, 3178170, 3813804, 4767255, 6356340, 9534510, 19069020]

約数ペア:

[(1, 19069020), (2, 9534510), (3, 6356340), (4, 4767255), (5, 3813804), (6, 3178170), (9, 2118780), (10, 1906902), (12, 1589085), (15, 1271268), (18, 1059390), (20, 953451), (27, 706260), (30, 635634), (36, 529695), (45, 423756), (54, 353130), (60, 317817), (79, 241380), (81, 235420), (90, 211878), (108, 176565), (135, 141252), (149, 127980), (158, 120690), (162, 117710), (180, 105939), (237, 80460), (270, 70626), (298, 63990), (316, 60345), (324, 58855), (395, 48276), (405, 47084), (447, 42660), (474, 40230), (540, 35313), (596, 31995), (711, 26820), (745, 25596), (790, 24138), (810, 23542), (894, 21330), (948, 20115), (1185, 16092), (1341, 14220), (1422, 13410), (1490, 12798), (1580, 12069), (1620, 11771), (1788, 10665), (2133, 8940), (2235, 8532), (2370, 8046), (2682, 7110), (2844, 6705), (2980, 6399), (3555, 5364), (4023, 4740), (4266, 4470)]