20118492

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{439}}^1$

素因数の和:535

約数の個数: 72

約数和(自身を含む): 54454400

約数和(自身を除く): 34335908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 67, 76, 114, 134, 171, 201, 228, 268, 342, 402, 439, 603, 684, 804, 878, 1206, 1273, 1317, 1756, 2412, 2546, 2634, 3819, 3951, 5092, 5268, 7638, 7902, 8341, 11457, 15276, 15804, 16682, 22914, 25023, 29413, 33364, 45828, 50046, 58826, 75069, 88239, 100092, 117652, 150138, 176478, 264717, 300276, 352956, 529434, 558847, 1058868, 1117694, 1676541, 2235388, 3353082, 5029623, 6706164, 10059246, 20118492]

約数ペア:

[(1, 20118492), (2, 10059246), (3, 6706164), (4, 5029623), (6, 3353082), (9, 2235388), (12, 1676541), (18, 1117694), (19, 1058868), (36, 558847), (38, 529434), (57, 352956), (67, 300276), (76, 264717), (114, 176478), (134, 150138), (171, 117652), (201, 100092), (228, 88239), (268, 75069), (342, 58826), (402, 50046), (439, 45828), (603, 33364), (684, 29413), (804, 25023), (878, 22914), (1206, 16682), (1273, 15804), (1317, 15276), (1756, 11457), (2412, 8341), (2546, 7902), (2634, 7638), (3819, 5268), (3951, 5092)]