19939608

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{263}}^1$

素因数の和:300

約数の個数: 112

約数和(自身を含む): 60595920

約数和(自身を除く): 40656312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 263, 312, 324, 351, 468, 486, 526, 648, 702, 729, 789, 936, 972, 1052, 1053, 1404, 1458, 1578, 1944, 2104, 2106, 2367, 2808, 2916, 3156, 3159, 3419, 4212, 4734, 5832, 6312, 6318, 6838, 7101, 8424, 9468, 9477, 10257, 12636, 13676, 14202, 18936, 18954, 20514, 21303, 25272, 27352, 28404, 30771, 37908, 41028, 42606, 56808, 61542, 63909, 75816, 82056, 85212, 92313, 123084, 127818, 170424, 184626, 191727, 246168, 255636, 276939, 369252, 383454, 511272, 553878, 738504, 766908, 830817, 1107756, 1533816, 1661634, 2215512, 2492451, 3323268, 4984902, 6646536, 9969804, 19939608]

約数ペア:

[(1, 19939608), (2, 9969804), (3, 6646536), (4, 4984902), (6, 3323268), (8, 2492451), (9, 2215512), (12, 1661634), (13, 1533816), (18, 1107756), (24, 830817), (26, 766908), (27, 738504), (36, 553878), (39, 511272), (52, 383454), (54, 369252), (72, 276939), (78, 255636), (81, 246168), (104, 191727), (108, 184626), (117, 170424), (156, 127818), (162, 123084), (216, 92313), (234, 85212), (243, 82056), (263, 75816), (312, 63909), (324, 61542), (351, 56808), (468, 42606), (486, 41028), (526, 37908), (648, 30771), (702, 28404), (729, 27352), (789, 25272), (936, 21303), (972, 20514), (1052, 18954), (1053, 18936), (1404, 14202), (1458, 13676), (1578, 12636), (1944, 10257), (2104, 9477), (2106, 9468), (2367, 8424), (2808, 7101), (2916, 6838), (3156, 6318), (3159, 6312), (3419, 5832), (4212, 4734)]