19972764

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{911}}^1$

素因数の和:960

約数の個数: 96

約数和(自身を含む): 61286400

約数和(自身を除く): 41313636

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 911, 1044, 1218, 1566, 1822, 1827, 2436, 2733, 3132, 3644, 3654, 5466, 5481, 6377, 7308, 8199, 10932, 10962, 12754, 16398, 19131, 21924, 24597, 25508, 26419, 32796, 38262, 49194, 52838, 57393, 76524, 79257, 98388, 105676, 114786, 158514, 172179, 184933, 229572, 237771, 317028, 344358, 369866, 475542, 554799, 688716, 713313, 739732, 951084, 1109598, 1426626, 1664397, 2219196, 2853252, 3328794, 4993191, 6657588, 9986382, 19972764]

約数ペア:

[(1, 19972764), (2, 9986382), (3, 6657588), (4, 4993191), (6, 3328794), (7, 2853252), (9, 2219196), (12, 1664397), (14, 1426626), (18, 1109598), (21, 951084), (27, 739732), (28, 713313), (29, 688716), (36, 554799), (42, 475542), (54, 369866), (58, 344358), (63, 317028), (84, 237771), (87, 229572), (108, 184933), (116, 172179), (126, 158514), (174, 114786), (189, 105676), (203, 98388), (252, 79257), (261, 76524), (348, 57393), (378, 52838), (406, 49194), (522, 38262), (609, 32796), (756, 26419), (783, 25508), (812, 24597), (911, 21924), (1044, 19131), (1218, 16398), (1566, 12754), (1822, 10962), (1827, 10932), (2436, 8199), (2733, 7308), (3132, 6377), (3644, 5481), (3654, 5466)]