19006280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 45394560

約数和(自身を除く): 26388280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 283, 292, 365, 460, 566, 584, 730, 920, 1132, 1415, 1460, 1679, 2264, 2830, 2920, 3358, 5660, 6509, 6716, 8395, 11320, 13018, 13432, 16790, 20659, 26036, 32545, 33580, 41318, 52072, 65090, 67160, 82636, 103295, 130180, 165272, 206590, 260360, 413180, 475157, 826360, 950314, 1900628, 2375785, 3801256, 4751570, 9503140, 19006280]

約数ペア:

[(1, 19006280), (2, 9503140), (4, 4751570), (5, 3801256), (8, 2375785), (10, 1900628), (20, 950314), (23, 826360), (40, 475157), (46, 413180), (73, 260360), (92, 206590), (115, 165272), (146, 130180), (184, 103295), (230, 82636), (283, 67160), (292, 65090), (365, 52072), (460, 41318), (566, 33580), (584, 32545), (730, 26036), (920, 20659), (1132, 16790), (1415, 13432), (1460, 13018), (1679, 11320), (2264, 8395), (2830, 6716), (2920, 6509), (3358, 5660)]