18946908

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{373}}^1$

素因数の和:483

約数の個数: 72

約数和(自身を含む): 51459408

約数和(自身を除く): 32512500

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 83, 102, 153, 166, 204, 249, 306, 332, 373, 498, 612, 746, 747, 996, 1119, 1411, 1492, 1494, 2238, 2822, 2988, 3357, 4233, 4476, 5644, 6341, 6714, 8466, 12682, 12699, 13428, 16932, 19023, 25364, 25398, 30959, 38046, 50796, 57069, 61918, 76092, 92877, 114138, 123836, 185754, 228276, 278631, 371508, 526303, 557262, 1052606, 1114524, 1578909, 2105212, 3157818, 4736727, 6315636, 9473454, 18946908]

約数ペア:

[(1, 18946908), (2, 9473454), (3, 6315636), (4, 4736727), (6, 3157818), (9, 2105212), (12, 1578909), (17, 1114524), (18, 1052606), (34, 557262), (36, 526303), (51, 371508), (68, 278631), (83, 228276), (102, 185754), (153, 123836), (166, 114138), (204, 92877), (249, 76092), (306, 61918), (332, 57069), (373, 50796), (498, 38046), (612, 30959), (746, 25398), (747, 25364), (996, 19023), (1119, 16932), (1411, 13428), (1492, 12699), (1494, 12682), (2238, 8466), (2822, 6714), (2988, 6341), (3357, 5644), (4233, 4476)]