19313028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:633

約数の個数: 72

約数和(自身を含む): 56242368

約数和(自身を除く): 36929340

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 173, 252, 346, 443, 519, 692, 886, 1038, 1211, 1329, 1557, 1772, 2076, 2422, 2658, 3101, 3114, 3633, 3987, 4844, 5316, 6202, 6228, 7266, 7974, 9303, 10899, 12404, 14532, 15948, 18606, 21798, 27909, 37212, 43596, 55818, 76639, 111636, 153278, 229917, 306556, 459834, 536473, 689751, 919668, 1072946, 1379502, 1609419, 2145892, 2759004, 3218838, 4828257, 6437676, 9656514, 19313028]

約数ペア:

[(1, 19313028), (2, 9656514), (3, 6437676), (4, 4828257), (6, 3218838), (7, 2759004), (9, 2145892), (12, 1609419), (14, 1379502), (18, 1072946), (21, 919668), (28, 689751), (36, 536473), (42, 459834), (63, 306556), (84, 229917), (126, 153278), (173, 111636), (252, 76639), (346, 55818), (443, 43596), (519, 37212), (692, 27909), (886, 21798), (1038, 18606), (1211, 15948), (1329, 14532), (1557, 12404), (1772, 10899), (2076, 9303), (2422, 7974), (2658, 7266), (3101, 6228), (3114, 6202), (3633, 5316), (3987, 4844)]