19827184

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:242

約数の個数: 80

約数和(自身を含む): 45309600

約数和(自身を除く): 25482416

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 29, 38, 52, 58, 76, 104, 116, 152, 173, 208, 232, 247, 304, 346, 377, 464, 494, 551, 692, 754, 988, 1102, 1384, 1508, 1976, 2204, 2249, 2768, 3016, 3287, 3952, 4408, 4498, 5017, 6032, 6574, 7163, 8816, 8996, 10034, 13148, 14326, 17992, 20068, 26296, 28652, 35984, 40136, 42731, 52592, 57304, 65221, 80272, 85462, 95323, 114608, 130442, 170924, 190646, 260884, 341848, 381292, 521768, 683696, 762584, 1043536, 1239199, 1525168, 2478398, 4956796, 9913592, 19827184]

約数ペア:

[(1, 19827184), (2, 9913592), (4, 4956796), (8, 2478398), (13, 1525168), (16, 1239199), (19, 1043536), (26, 762584), (29, 683696), (38, 521768), (52, 381292), (58, 341848), (76, 260884), (104, 190646), (116, 170924), (152, 130442), (173, 114608), (208, 95323), (232, 85462), (247, 80272), (304, 65221), (346, 57304), (377, 52592), (464, 42731), (494, 40136), (551, 35984), (692, 28652), (754, 26296), (988, 20068), (1102, 17992), (1384, 14326), (1508, 13148), (1976, 10034), (2204, 8996), (2249, 8816), (2768, 7163), (3016, 6574), (3287, 6032), (3952, 5017), (4408, 4498)]