19499688

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:359

約数の個数: 96

約数和(自身を含む): 57788640

約数和(自身を除く): 38288952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 83, 104, 117, 156, 166, 234, 249, 251, 312, 332, 468, 498, 502, 664, 747, 753, 936, 996, 1004, 1079, 1494, 1506, 1992, 2008, 2158, 2259, 2988, 3012, 3237, 3263, 4316, 4518, 5976, 6024, 6474, 6526, 8632, 9036, 9711, 9789, 12948, 13052, 18072, 19422, 19578, 20833, 25896, 26104, 29367, 38844, 39156, 41666, 58734, 62499, 77688, 78312, 83332, 117468, 124998, 166664, 187497, 234936, 249996, 270829, 374994, 499992, 541658, 749988, 812487, 1083316, 1499976, 1624974, 2166632, 2437461, 3249948, 4874922, 6499896, 9749844, 19499688]

約数ペア:

[(1, 19499688), (2, 9749844), (3, 6499896), (4, 4874922), (6, 3249948), (8, 2437461), (9, 2166632), (12, 1624974), (13, 1499976), (18, 1083316), (24, 812487), (26, 749988), (36, 541658), (39, 499992), (52, 374994), (72, 270829), (78, 249996), (83, 234936), (104, 187497), (117, 166664), (156, 124998), (166, 117468), (234, 83332), (249, 78312), (251, 77688), (312, 62499), (332, 58734), (468, 41666), (498, 39156), (502, 38844), (664, 29367), (747, 26104), (753, 25896), (936, 20833), (996, 19578), (1004, 19422), (1079, 18072), (1494, 13052), (1506, 12948), (1992, 9789), (2008, 9711), (2158, 9036), (2259, 8632), (2988, 6526), (3012, 6474), (3237, 6024), (3263, 5976), (4316, 4518)]