18273040

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{9931}}^1$

素因数の和:9967

約数の個数: 40

約数和(自身を含む): 44336448

約数和(自身を除く): 26063408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 9931, 19862, 39724, 49655, 79448, 99310, 158896, 198620, 228413, 397240, 456826, 794480, 913652, 1142065, 1827304, 2284130, 3654608, 4568260, 9136520, 18273040]

約数ペア:

[(1, 18273040), (2, 9136520), (4, 4568260), (5, 3654608), (8, 2284130), (10, 1827304), (16, 1142065), (20, 913652), (23, 794480), (40, 456826), (46, 397240), (80, 228413), (92, 198620), (115, 158896), (184, 99310), (230, 79448), (368, 49655), (460, 39724), (920, 19862), (1840, 9931)]