18705038112

素因数分解:

$2^5\times 3^2\times {\mathrm{181}}^1\times {\mathrm{358829}}^1$

素因数の和:359026

約数の個数: 72

約数和(自身を含む): 53486482140

約数和(自身を除く): 34781444028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 181, 288, 362, 543, 724, 1086, 1448, 1629, 2172, 2896, 3258, 4344, 5792, 6516, 8688, 13032, 17376, 26064, 52128, 358829, 717658, 1076487, 1435316, 2152974, 2870632, 3229461, 4305948, 5741264, 6458922, 8611896, 11482528, 12917844, 17223792, 25835688, 34447584, 51671376, 64948049, 103342752, 129896098, 194844147, 259792196, 389688294, 519584392, 584532441, 779376588, 1039168784, 1169064882, 1558753176, 2078337568, 2338129764, 3117506352, 4676259528, 6235012704, 9352519056, 18705038112]

約数ペア:

[(1, 18705038112), (2, 9352519056), (3, 6235012704), (4, 4676259528), (6, 3117506352), (8, 2338129764), (9, 2078337568), (12, 1558753176), (16, 1169064882), (18, 1039168784), (24, 779376588), (32, 584532441), (36, 519584392), (48, 389688294), (72, 259792196), (96, 194844147), (144, 129896098), (181, 103342752), (288, 64948049), (362, 51671376), (543, 34447584), (724, 25835688), (1086, 17223792), (1448, 12917844), (1629, 11482528), (2172, 8611896), (2896, 6458922), (3258, 5741264), (4344, 4305948), (5792, 3229461), (6516, 2870632), (8688, 2152974), (13032, 1435316), (17376, 1076487), (26064, 717658), (52128, 358829)]