18956080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1657}}^1$

素因数の和:1694

約数の個数: 80

約数和(自身を含む): 51809184

約数和(自身を除く): 32853104

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 1657, 2288, 2860, 3314, 5720, 6628, 8285, 11440, 13256, 16570, 18227, 21541, 26512, 33140, 36454, 43082, 66280, 72908, 86164, 91135, 107705, 132560, 145816, 172328, 182270, 215410, 236951, 291632, 344656, 364540, 430820, 473902, 729080, 861640, 947804, 1184755, 1458160, 1723280, 1895608, 2369510, 3791216, 4739020, 9478040, 18956080]

約数ペア:

[(1, 18956080), (2, 9478040), (4, 4739020), (5, 3791216), (8, 2369510), (10, 1895608), (11, 1723280), (13, 1458160), (16, 1184755), (20, 947804), (22, 861640), (26, 729080), (40, 473902), (44, 430820), (52, 364540), (55, 344656), (65, 291632), (80, 236951), (88, 215410), (104, 182270), (110, 172328), (130, 145816), (143, 132560), (176, 107705), (208, 91135), (220, 86164), (260, 72908), (286, 66280), (440, 43082), (520, 36454), (572, 33140), (715, 26512), (880, 21541), (1040, 18227), (1144, 16570), (1430, 13256), (1657, 11440), (2288, 8285), (2860, 6628), (3314, 5720)]