11720988

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 31231200

約数和(自身を除く): 19510212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 103, 109, 116, 174, 206, 218, 261, 309, 327, 348, 412, 436, 522, 618, 654, 927, 981, 1044, 1236, 1308, 1854, 1962, 2987, 3161, 3708, 3924, 5974, 6322, 8961, 9483, 11227, 11948, 12644, 17922, 18966, 22454, 26883, 28449, 33681, 35844, 37932, 44908, 53766, 56898, 67362, 101043, 107532, 113796, 134724, 202086, 325583, 404172, 651166, 976749, 1302332, 1953498, 2930247, 3906996, 5860494, 11720988]

約数ペア:

[(1, 11720988), (2, 5860494), (3, 3906996), (4, 2930247), (6, 1953498), (9, 1302332), (12, 976749), (18, 651166), (29, 404172), (36, 325583), (58, 202086), (87, 134724), (103, 113796), (109, 107532), (116, 101043), (174, 67362), (206, 56898), (218, 53766), (261, 44908), (309, 37932), (327, 35844), (348, 33681), (412, 28449), (436, 26883), (522, 22454), (618, 18966), (654, 17922), (927, 12644), (981, 11948), (1044, 11227), (1236, 9483), (1308, 8961), (1854, 6322), (1962, 5974), (2987, 3924), (3161, 3708)]