19474956

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 51302160

約数和(自身を除く): 31827204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 59, 106, 118, 159, 173, 177, 212, 236, 318, 346, 354, 477, 519, 531, 636, 692, 708, 954, 1038, 1062, 1557, 1908, 2076, 2124, 3114, 3127, 6228, 6254, 9169, 9381, 10207, 12508, 18338, 18762, 20414, 27507, 28143, 30621, 36676, 37524, 40828, 55014, 56286, 61242, 82521, 91863, 110028, 112572, 122484, 165042, 183726, 330084, 367452, 540971, 1081942, 1622913, 2163884, 3245826, 4868739, 6491652, 9737478, 19474956]

約数ペア:

[(1, 19474956), (2, 9737478), (3, 6491652), (4, 4868739), (6, 3245826), (9, 2163884), (12, 1622913), (18, 1081942), (36, 540971), (53, 367452), (59, 330084), (106, 183726), (118, 165042), (159, 122484), (173, 112572), (177, 110028), (212, 91863), (236, 82521), (318, 61242), (346, 56286), (354, 55014), (477, 40828), (519, 37524), (531, 36676), (636, 30621), (692, 28143), (708, 27507), (954, 20414), (1038, 18762), (1062, 18338), (1557, 12508), (1908, 10207), (2076, 9381), (2124, 9169), (3114, 6254), (3127, 6228)]