18722704

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:213

約数の個数: 120

約数和(自身を含む): 49871808

約数和(自身を除く): 31149104

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 167, 176, 182, 196, 208, 286, 308, 334, 364, 392, 539, 572, 616, 637, 668, 728, 784, 1001, 1078, 1144, 1169, 1232, 1274, 1336, 1456, 1837, 2002, 2156, 2171, 2288, 2338, 2548, 2672, 3674, 4004, 4312, 4342, 4676, 5096, 7007, 7348, 8008, 8183, 8624, 8684, 9352, 10192, 12859, 14014, 14696, 15197, 16016, 16366, 17368, 18704, 23881, 25718, 28028, 29392, 30394, 32732, 34736, 47762, 51436, 56056, 60788, 65464, 90013, 95524, 102872, 106379, 112112, 121576, 130928, 167167, 180026, 191048, 205744, 212758, 243152, 334334, 360052, 382096, 425516, 668668, 720104, 851032, 1170169, 1337336, 1440208, 1702064, 2340338, 2674672, 4680676, 9361352, 18722704]

約数ペア:

[(1, 18722704), (2, 9361352), (4, 4680676), (7, 2674672), (8, 2340338), (11, 1702064), (13, 1440208), (14, 1337336), (16, 1170169), (22, 851032), (26, 720104), (28, 668668), (44, 425516), (49, 382096), (52, 360052), (56, 334334), (77, 243152), (88, 212758), (91, 205744), (98, 191048), (104, 180026), (112, 167167), (143, 130928), (154, 121576), (167, 112112), (176, 106379), (182, 102872), (196, 95524), (208, 90013), (286, 65464), (308, 60788), (334, 56056), (364, 51436), (392, 47762), (539, 34736), (572, 32732), (616, 30394), (637, 29392), (668, 28028), (728, 25718), (784, 23881), (1001, 18704), (1078, 17368), (1144, 16366), (1169, 16016), (1232, 15197), (1274, 14696), (1336, 14014), (1456, 12859), (1837, 10192), (2002, 9352), (2156, 8684), (2171, 8624), (2288, 8183), (2338, 8008), (2548, 7348), (2672, 7007), (3674, 5096), (4004, 4676), (4312, 4342)]