19285480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:466

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 27370520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 359, 395, 632, 680, 718, 790, 1343, 1436, 1580, 1795, 2686, 2872, 3160, 3590, 5372, 6103, 6715, 7180, 10744, 12206, 13430, 14360, 24412, 26860, 28361, 30515, 48824, 53720, 56722, 61030, 113444, 122060, 141805, 226888, 244120, 283610, 482137, 567220, 964274, 1134440, 1928548, 2410685, 3857096, 4821370, 9642740, 19285480]

約数ペア:

[(1, 19285480), (2, 9642740), (4, 4821370), (5, 3857096), (8, 2410685), (10, 1928548), (17, 1134440), (20, 964274), (34, 567220), (40, 482137), (68, 283610), (79, 244120), (85, 226888), (136, 141805), (158, 122060), (170, 113444), (316, 61030), (340, 56722), (359, 53720), (395, 48824), (632, 30515), (680, 28361), (718, 26860), (790, 24412), (1343, 14360), (1436, 13430), (1580, 12206), (1795, 10744), (2686, 7180), (2872, 6715), (3160, 6103), (3590, 5372)]