19278252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 56268576

約数和(自身を除く): 36990324

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 113, 126, 226, 252, 339, 452, 677, 678, 791, 1017, 1354, 1356, 1582, 2031, 2034, 2373, 2708, 3164, 4062, 4068, 4739, 4746, 6093, 7119, 8124, 9478, 9492, 12186, 14217, 14238, 18956, 24372, 28434, 28476, 42651, 56868, 76501, 85302, 153002, 170604, 229503, 306004, 459006, 535507, 688509, 918012, 1071014, 1377018, 1606521, 2142028, 2754036, 3213042, 4819563, 6426084, 9639126, 19278252]

約数ペア:

[(1, 19278252), (2, 9639126), (3, 6426084), (4, 4819563), (6, 3213042), (7, 2754036), (9, 2142028), (12, 1606521), (14, 1377018), (18, 1071014), (21, 918012), (28, 688509), (36, 535507), (42, 459006), (63, 306004), (84, 229503), (113, 170604), (126, 153002), (226, 85302), (252, 76501), (339, 56868), (452, 42651), (677, 28476), (678, 28434), (791, 24372), (1017, 18956), (1354, 14238), (1356, 14217), (1582, 12186), (2031, 9492), (2034, 9478), (2373, 8124), (2708, 7119), (3164, 6093), (4062, 4746), (4068, 4739)]