18930080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:526

約数の個数: 96

約数和(自身を含む): 50803200

約数和(自身を除く): 31873120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 380, 416, 479, 494, 520, 608, 760, 958, 988, 1040, 1235, 1520, 1916, 1976, 2080, 2395, 2470, 3040, 3832, 3952, 4790, 4940, 6227, 7664, 7904, 9101, 9580, 9880, 12454, 15328, 18202, 19160, 19760, 24908, 31135, 36404, 38320, 39520, 45505, 49816, 62270, 72808, 76640, 91010, 99632, 118313, 124540, 145616, 182020, 199264, 236626, 249080, 291232, 364040, 473252, 498160, 591565, 728080, 946504, 996320, 1183130, 1456160, 1893008, 2366260, 3786016, 4732520, 9465040, 18930080]

約数ペア:

[(1, 18930080), (2, 9465040), (4, 4732520), (5, 3786016), (8, 2366260), (10, 1893008), (13, 1456160), (16, 1183130), (19, 996320), (20, 946504), (26, 728080), (32, 591565), (38, 498160), (40, 473252), (52, 364040), (65, 291232), (76, 249080), (80, 236626), (95, 199264), (104, 182020), (130, 145616), (152, 124540), (160, 118313), (190, 99632), (208, 91010), (247, 76640), (260, 72808), (304, 62270), (380, 49816), (416, 45505), (479, 39520), (494, 38320), (520, 36404), (608, 31135), (760, 24908), (958, 19760), (988, 19160), (1040, 18202), (1235, 15328), (1520, 12454), (1916, 9880), (1976, 9580), (2080, 9101), (2395, 7904), (2470, 7664), (3040, 6227), (3832, 4940), (3952, 4790)]