18420894744

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1\times {\mathrm{16631}}^1$

素因数の和:17013

約数の個数: 128

約数和(自身を含む): 55564185600

約数和(自身を除く): 37143290856

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 133, 152, 168, 228, 266, 347, 399, 456, 532, 694, 798, 1041, 1064, 1388, 1596, 2082, 2429, 2776, 3192, 4164, 4858, 6593, 7287, 8328, 9716, 13186, 14574, 16631, 19432, 19779, 26372, 29148, 33262, 39558, 46151, 49893, 52744, 58296, 66524, 79116, 92302, 99786, 116417, 133048, 138453, 158232, 184604, 199572, 232834, 276906, 315989, 349251, 369208, 399144, 465668, 553812, 631978, 698502, 931336, 947967, 1107624, 1263956, 1397004, 1895934, 2211923, 2527912, 2794008, 3791868, 4423846, 5770957, 6635769, 7583736, 8847692, 11541914, 13271538, 17312871, 17695384, 23083828, 26543076, 34625742, 40396699, 46167656, 53086152, 69251484, 80793398, 109648183, 121190097, 138502968, 161586796, 219296366, 242380194, 323173592, 328944549, 438592732, 484760388, 657889098, 767537281, 877185464, 969520776, 1315778196, 1535074562, 2302611843, 2631556392, 3070149124, 4605223686, 6140298248, 9210447372, 18420894744]

約数ペア:

[(1, 18420894744), (2, 9210447372), (3, 6140298248), (4, 4605223686), (6, 3070149124), (7, 2631556392), (8, 2302611843), (12, 1535074562), (14, 1315778196), (19, 969520776), (21, 877185464), (24, 767537281), (28, 657889098), (38, 484760388), (42, 438592732), (56, 328944549), (57, 323173592), (76, 242380194), (84, 219296366), (114, 161586796), (133, 138502968), (152, 121190097), (168, 109648183), (228, 80793398), (266, 69251484), (347, 53086152), (399, 46167656), (456, 40396699), (532, 34625742), (694, 26543076), (798, 23083828), (1041, 17695384), (1064, 17312871), (1388, 13271538), (1596, 11541914), (2082, 8847692), (2429, 7583736), (2776, 6635769), (3192, 5770957), (4164, 4423846), (4858, 3791868), (6593, 2794008), (7287, 2527912), (8328, 2211923), (9716, 1895934), (13186, 1397004), (14574, 1263956), (16631, 1107624), (19432, 947967), (19779, 931336), (26372, 698502), (29148, 631978), (33262, 553812), (39558, 465668), (46151, 399144), (49893, 369208), (52744, 349251), (58296, 315989), (66524, 276906), (79116, 232834), (92302, 199572), (99786, 184604), (116417, 158232), (133048, 138453)]