18336520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1049}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 27023480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1049, 1748, 2098, 2185, 3496, 4196, 4370, 5245, 8392, 8740, 10490, 17480, 19931, 20980, 24127, 39862, 41960, 48254, 79724, 96508, 99655, 120635, 159448, 193016, 199310, 241270, 398620, 458413, 482540, 797240, 916826, 965080, 1833652, 2292065, 3667304, 4584130, 9168260, 18336520]

約数ペア:

[(1, 18336520), (2, 9168260), (4, 4584130), (5, 3667304), (8, 2292065), (10, 1833652), (19, 965080), (20, 916826), (23, 797240), (38, 482540), (40, 458413), (46, 398620), (76, 241270), (92, 199310), (95, 193016), (115, 159448), (152, 120635), (184, 99655), (190, 96508), (230, 79724), (380, 48254), (437, 41960), (460, 39862), (760, 24127), (874, 20980), (920, 19931), (1049, 17480), (1748, 10490), (2098, 8740), (2185, 8392), (3496, 5245), (4196, 4370)]