19372140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{383}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 59125248

約数和(自身を除く): 39753108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 383, 562, 766, 843, 1124, 1149, 1405, 1532, 1686, 1915, 2298, 2529, 2810, 3372, 3447, 3830, 4215, 4596, 5058, 5620, 5745, 6894, 7660, 8430, 10116, 11490, 12645, 13788, 16860, 17235, 22980, 25290, 34470, 50580, 68940, 107623, 215246, 322869, 430492, 538115, 645738, 968607, 1076230, 1291476, 1614345, 1937214, 2152460, 3228690, 3874428, 4843035, 6457380, 9686070, 19372140]

約数ペア:

[(1, 19372140), (2, 9686070), (3, 6457380), (4, 4843035), (5, 3874428), (6, 3228690), (9, 2152460), (10, 1937214), (12, 1614345), (15, 1291476), (18, 1076230), (20, 968607), (30, 645738), (36, 538115), (45, 430492), (60, 322869), (90, 215246), (180, 107623), (281, 68940), (383, 50580), (562, 34470), (766, 25290), (843, 22980), (1124, 17235), (1149, 16860), (1405, 13788), (1532, 12645), (1686, 11490), (1915, 10116), (2298, 8430), (2529, 7660), (2810, 6894), (3372, 5745), (3447, 5620), (3830, 5058), (4215, 4596)]