19493640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:503

約数の個数: 96

約数和(自身を含む): 63924120

約数和(自身を除く): 44430480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 173, 180, 313, 346, 360, 519, 626, 692, 865, 939, 1038, 1252, 1384, 1557, 1565, 1730, 1878, 2076, 2504, 2595, 2817, 3114, 3130, 3460, 3756, 4152, 4695, 5190, 5634, 6228, 6260, 6920, 7512, 7785, 9390, 10380, 11268, 12456, 12520, 14085, 15570, 18780, 20760, 22536, 28170, 31140, 37560, 54149, 56340, 62280, 108298, 112680, 162447, 216596, 270745, 324894, 433192, 487341, 541490, 649788, 812235, 974682, 1082980, 1299576, 1624470, 1949364, 2165960, 2436705, 3248940, 3898728, 4873410, 6497880, 9746820, 19493640]

約数ペア:

[(1, 19493640), (2, 9746820), (3, 6497880), (4, 4873410), (5, 3898728), (6, 3248940), (8, 2436705), (9, 2165960), (10, 1949364), (12, 1624470), (15, 1299576), (18, 1082980), (20, 974682), (24, 812235), (30, 649788), (36, 541490), (40, 487341), (45, 433192), (60, 324894), (72, 270745), (90, 216596), (120, 162447), (173, 112680), (180, 108298), (313, 62280), (346, 56340), (360, 54149), (519, 37560), (626, 31140), (692, 28170), (865, 22536), (939, 20760), (1038, 18780), (1252, 15570), (1384, 14085), (1557, 12520), (1565, 12456), (1730, 11268), (1878, 10380), (2076, 9390), (2504, 7785), (2595, 7512), (2817, 6920), (3114, 6260), (3130, 6228), (3460, 5634), (3756, 5190), (4152, 4695)]