19008120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 60963840

約数和(自身を除く): 41955720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 71, 92, 97, 115, 120, 138, 142, 184, 194, 213, 230, 276, 284, 291, 345, 355, 388, 426, 460, 485, 552, 568, 582, 690, 710, 776, 852, 920, 970, 1065, 1164, 1380, 1420, 1455, 1633, 1704, 1940, 2130, 2231, 2328, 2760, 2840, 2910, 3266, 3880, 4260, 4462, 4899, 5820, 6532, 6693, 6887, 8165, 8520, 8924, 9798, 11155, 11640, 13064, 13386, 13774, 16330, 17848, 19596, 20661, 22310, 24495, 26772, 27548, 32660, 33465, 34435, 39192, 41322, 44620, 48990, 53544, 55096, 65320, 66930, 68870, 82644, 89240, 97980, 103305, 133860, 137740, 158401, 165288, 195960, 206610, 267720, 275480, 316802, 413220, 475203, 633604, 792005, 826440, 950406, 1267208, 1584010, 1900812, 2376015, 3168020, 3801624, 4752030, 6336040, 9504060, 19008120]

約数ペア:

[(1, 19008120), (2, 9504060), (3, 6336040), (4, 4752030), (5, 3801624), (6, 3168020), (8, 2376015), (10, 1900812), (12, 1584010), (15, 1267208), (20, 950406), (23, 826440), (24, 792005), (30, 633604), (40, 475203), (46, 413220), (60, 316802), (69, 275480), (71, 267720), (92, 206610), (97, 195960), (115, 165288), (120, 158401), (138, 137740), (142, 133860), (184, 103305), (194, 97980), (213, 89240), (230, 82644), (276, 68870), (284, 66930), (291, 65320), (345, 55096), (355, 53544), (388, 48990), (426, 44620), (460, 41322), (485, 39192), (552, 34435), (568, 33465), (582, 32660), (690, 27548), (710, 26772), (776, 24495), (852, 22310), (920, 20661), (970, 19596), (1065, 17848), (1164, 16330), (1380, 13774), (1420, 13386), (1455, 13064), (1633, 11640), (1704, 11155), (1940, 9798), (2130, 8924), (2231, 8520), (2328, 8165), (2760, 6887), (2840, 6693), (2910, 6532), (3266, 5820), (3880, 4899), (4260, 4462)]