18541796

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{383}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 42900480

約数和(自身を除く): 24358684

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 383, 494, 532, 637, 766, 931, 988, 1274, 1532, 1729, 1862, 2548, 2681, 3458, 3724, 4979, 5362, 6916, 7277, 9958, 10724, 12103, 14554, 18767, 19916, 24206, 29108, 34853, 37534, 48412, 50939, 69706, 75068, 94601, 101878, 139412, 189202, 203756, 243971, 356573, 378404, 487942, 662207, 713146, 975884, 1324414, 1426292, 2648828, 4635449, 9270898, 18541796]

約数ペア:

[(1, 18541796), (2, 9270898), (4, 4635449), (7, 2648828), (13, 1426292), (14, 1324414), (19, 975884), (26, 713146), (28, 662207), (38, 487942), (49, 378404), (52, 356573), (76, 243971), (91, 203756), (98, 189202), (133, 139412), (182, 101878), (196, 94601), (247, 75068), (266, 69706), (364, 50939), (383, 48412), (494, 37534), (532, 34853), (637, 29108), (766, 24206), (931, 19916), (988, 18767), (1274, 14554), (1532, 12103), (1729, 10724), (1862, 9958), (2548, 7277), (2681, 6916), (3458, 5362), (3724, 4979)]