19957626

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 51302160

約数和(自身を除く): 31344534

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 29, 34, 39, 51, 58, 78, 87, 102, 117, 153, 173, 174, 221, 234, 261, 306, 346, 377, 442, 493, 519, 522, 663, 754, 986, 1038, 1131, 1326, 1479, 1557, 1989, 2249, 2262, 2941, 2958, 3114, 3393, 3978, 4437, 4498, 5017, 5882, 6409, 6747, 6786, 8823, 8874, 10034, 12818, 13494, 15051, 17646, 19227, 20241, 26469, 30102, 38233, 38454, 40482, 45153, 52938, 57681, 65221, 76466, 85289, 90306, 114699, 115362, 130442, 170578, 195663, 229398, 255867, 344097, 391326, 511734, 586989, 688194, 767601, 1108757, 1173978, 1535202, 2217514, 3326271, 6652542, 9978813, 19957626]

約数ペア:

[(1, 19957626), (2, 9978813), (3, 6652542), (6, 3326271), (9, 2217514), (13, 1535202), (17, 1173978), (18, 1108757), (26, 767601), (29, 688194), (34, 586989), (39, 511734), (51, 391326), (58, 344097), (78, 255867), (87, 229398), (102, 195663), (117, 170578), (153, 130442), (173, 115362), (174, 114699), (221, 90306), (234, 85289), (261, 76466), (306, 65221), (346, 57681), (377, 52938), (442, 45153), (493, 40482), (519, 38454), (522, 38233), (663, 30102), (754, 26469), (986, 20241), (1038, 19227), (1131, 17646), (1326, 15051), (1479, 13494), (1557, 12818), (1989, 10034), (2249, 8874), (2262, 8823), (2941, 6786), (2958, 6747), (3114, 6409), (3393, 5882), (3978, 5017), (4437, 4498)]