19487600

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 52770432

約数和(自身を除く): 33282832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 43, 44, 50, 55, 80, 86, 88, 100, 103, 110, 172, 176, 200, 206, 215, 220, 275, 344, 400, 412, 430, 440, 473, 515, 550, 688, 824, 860, 880, 946, 1030, 1075, 1100, 1133, 1648, 1720, 1892, 2060, 2150, 2200, 2266, 2365, 2575, 3440, 3784, 4120, 4300, 4400, 4429, 4532, 4730, 5150, 5665, 7568, 8240, 8600, 8858, 9064, 9460, 10300, 11330, 11825, 17200, 17716, 18128, 18920, 20600, 22145, 22660, 23650, 28325, 35432, 37840, 41200, 44290, 45320, 47300, 48719, 56650, 70864, 88580, 90640, 94600, 97438, 110725, 113300, 177160, 189200, 194876, 221450, 226600, 243595, 354320, 389752, 442900, 453200, 487190, 779504, 885800, 974380, 1217975, 1771600, 1948760, 2435950, 3897520, 4871900, 9743800, 19487600]

約数ペア:

[(1, 19487600), (2, 9743800), (4, 4871900), (5, 3897520), (8, 2435950), (10, 1948760), (11, 1771600), (16, 1217975), (20, 974380), (22, 885800), (25, 779504), (40, 487190), (43, 453200), (44, 442900), (50, 389752), (55, 354320), (80, 243595), (86, 226600), (88, 221450), (100, 194876), (103, 189200), (110, 177160), (172, 113300), (176, 110725), (200, 97438), (206, 94600), (215, 90640), (220, 88580), (275, 70864), (344, 56650), (400, 48719), (412, 47300), (430, 45320), (440, 44290), (473, 41200), (515, 37840), (550, 35432), (688, 28325), (824, 23650), (860, 22660), (880, 22145), (946, 20600), (1030, 18920), (1075, 18128), (1100, 17716), (1133, 17200), (1648, 11825), (1720, 11330), (1892, 10300), (2060, 9460), (2150, 9064), (2200, 8858), (2266, 8600), (2365, 8240), (2575, 7568), (3440, 5665), (3784, 5150), (4120, 4730), (4300, 4532), (4400, 4429)]