18576376

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 48384000

約数和(自身を除く): 29807624

約数列:

[1, 2, 4, 7, 8, 13, 14, 17, 19, 26, 28, 34, 38, 52, 56, 68, 76, 79, 91, 104, 119, 133, 136, 152, 158, 182, 221, 238, 247, 266, 316, 323, 364, 442, 476, 494, 532, 553, 632, 646, 728, 884, 952, 988, 1027, 1064, 1106, 1292, 1343, 1501, 1547, 1729, 1768, 1976, 2054, 2212, 2261, 2584, 2686, 3002, 3094, 3458, 4108, 4199, 4424, 4522, 5372, 6004, 6188, 6916, 7189, 8216, 8398, 9044, 9401, 10507, 10744, 12008, 12376, 13832, 14378, 16796, 17459, 18088, 18802, 19513, 21014, 25517, 28756, 29393, 33592, 34918, 37604, 39026, 42028, 51034, 57512, 58786, 69836, 75208, 78052, 84056, 102068, 117572, 122213, 136591, 139672, 156104, 178619, 204136, 235144, 244426, 273182, 331721, 357238, 488852, 546364, 663442, 714476, 977704, 1092728, 1326884, 1428952, 2322047, 2653768, 4644094, 9288188, 18576376]

約数ペア:

[(1, 18576376), (2, 9288188), (4, 4644094), (7, 2653768), (8, 2322047), (13, 1428952), (14, 1326884), (17, 1092728), (19, 977704), (26, 714476), (28, 663442), (34, 546364), (38, 488852), (52, 357238), (56, 331721), (68, 273182), (76, 244426), (79, 235144), (91, 204136), (104, 178619), (119, 156104), (133, 139672), (136, 136591), (152, 122213), (158, 117572), (182, 102068), (221, 84056), (238, 78052), (247, 75208), (266, 69836), (316, 58786), (323, 57512), (364, 51034), (442, 42028), (476, 39026), (494, 37604), (532, 34918), (553, 33592), (632, 29393), (646, 28756), (728, 25517), (884, 21014), (952, 19513), (988, 18802), (1027, 18088), (1064, 17459), (1106, 16796), (1292, 14378), (1343, 13832), (1501, 12376), (1547, 12008), (1729, 10744), (1768, 10507), (1976, 9401), (2054, 9044), (2212, 8398), (2261, 8216), (2584, 7189), (2686, 6916), (3002, 6188), (3094, 6004), (3458, 5372), (4108, 4522), (4199, 4424)]