18958992

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1321}}^1$

素因数の和:1368

約数の個数: 80

約数和(自身を含む): 55079808

約数和(自身を除く): 36120816

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 23, 24, 26, 39, 46, 48, 52, 69, 78, 92, 104, 138, 156, 184, 208, 276, 299, 312, 368, 552, 598, 624, 897, 1104, 1196, 1321, 1794, 2392, 2642, 3588, 3963, 4784, 5284, 7176, 7926, 10568, 14352, 15852, 17173, 21136, 30383, 31704, 34346, 51519, 60766, 63408, 68692, 91149, 103038, 121532, 137384, 182298, 206076, 243064, 274768, 364596, 394979, 412152, 486128, 729192, 789958, 824304, 1184937, 1458384, 1579916, 2369874, 3159832, 4739748, 6319664, 9479496, 18958992]

約数ペア:

[(1, 18958992), (2, 9479496), (3, 6319664), (4, 4739748), (6, 3159832), (8, 2369874), (12, 1579916), (13, 1458384), (16, 1184937), (23, 824304), (24, 789958), (26, 729192), (39, 486128), (46, 412152), (48, 394979), (52, 364596), (69, 274768), (78, 243064), (92, 206076), (104, 182298), (138, 137384), (156, 121532), (184, 103038), (208, 91149), (276, 68692), (299, 63408), (312, 60766), (368, 51519), (552, 34346), (598, 31704), (624, 30383), (897, 21136), (1104, 17173), (1196, 15852), (1321, 14352), (1794, 10568), (2392, 7926), (2642, 7176), (3588, 5284), (3963, 4784)]