19130480

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{281}}^1$

素因数の和:354

約数の個数: 80

約数和(自身を含む): 47836224

約数和(自身を除く): 28705744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 115, 148, 184, 185, 230, 281, 296, 368, 370, 460, 562, 592, 740, 851, 920, 1124, 1405, 1480, 1702, 1840, 2248, 2810, 2960, 3404, 4255, 4496, 5620, 6463, 6808, 8510, 10397, 11240, 12926, 13616, 17020, 20794, 22480, 25852, 32315, 34040, 41588, 51704, 51985, 64630, 68080, 83176, 103408, 103970, 129260, 166352, 207940, 239131, 258520, 415880, 478262, 517040, 831760, 956524, 1195655, 1913048, 2391310, 3826096, 4782620, 9565240, 19130480]

約数ペア:

[(1, 19130480), (2, 9565240), (4, 4782620), (5, 3826096), (8, 2391310), (10, 1913048), (16, 1195655), (20, 956524), (23, 831760), (37, 517040), (40, 478262), (46, 415880), (74, 258520), (80, 239131), (92, 207940), (115, 166352), (148, 129260), (184, 103970), (185, 103408), (230, 83176), (281, 68080), (296, 64630), (368, 51985), (370, 51704), (460, 41588), (562, 34040), (592, 32315), (740, 25852), (851, 22480), (920, 20794), (1124, 17020), (1405, 13616), (1480, 12926), (1702, 11240), (1840, 10397), (2248, 8510), (2810, 6808), (2960, 6463), (3404, 5620), (4255, 4496)]