19519668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2671}}^1$

素因数の和:2717

約数の個数: 72

約数和(自身を含む): 58356480

約数和(自身を除く): 38836812

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 29, 36, 42, 58, 63, 84, 87, 116, 126, 174, 203, 252, 261, 348, 406, 522, 609, 812, 1044, 1218, 1827, 2436, 2671, 3654, 5342, 7308, 8013, 10684, 16026, 18697, 24039, 32052, 37394, 48078, 56091, 74788, 77459, 96156, 112182, 154918, 168273, 224364, 232377, 309836, 336546, 464754, 542213, 673092, 697131, 929508, 1084426, 1394262, 1626639, 2168852, 2788524, 3253278, 4879917, 6506556, 9759834, 19519668]

約数ペア:

[(1, 19519668), (2, 9759834), (3, 6506556), (4, 4879917), (6, 3253278), (7, 2788524), (9, 2168852), (12, 1626639), (14, 1394262), (18, 1084426), (21, 929508), (28, 697131), (29, 673092), (36, 542213), (42, 464754), (58, 336546), (63, 309836), (84, 232377), (87, 224364), (116, 168273), (126, 154918), (174, 112182), (203, 96156), (252, 77459), (261, 74788), (348, 56091), (406, 48078), (522, 37394), (609, 32052), (812, 24039), (1044, 18697), (1218, 16026), (1827, 10684), (2436, 8013), (2671, 7308), (3654, 5342)]