189845208

素因数分解:

$2^3\times 3^5\times 7^2\times {\mathrm{1993}}^1$

素因数の和:2028

約数の個数: 144

約数和(自身を含む): 620572680

約数和(自身を除く): 430727472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 81, 84, 98, 108, 126, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 378, 392, 441, 486, 504, 567, 588, 648, 756, 882, 972, 1134, 1176, 1323, 1512, 1701, 1764, 1944, 1993, 2268, 2646, 3402, 3528, 3969, 3986, 4536, 5292, 5979, 6804, 7938, 7972, 10584, 11907, 11958, 13608, 13951, 15876, 15944, 17937, 23814, 23916, 27902, 31752, 35874, 41853, 47628, 47832, 53811, 55804, 71748, 83706, 95256, 97657, 107622, 111608, 125559, 143496, 161433, 167412, 195314, 215244, 251118, 292971, 322866, 334824, 376677, 390628, 430488, 484299, 502236, 585942, 645732, 753354, 781256, 878913, 968598, 1004472, 1130031, 1171884, 1291464, 1506708, 1757826, 1937196, 2260062, 2343768, 2636739, 3013416, 3390093, 3515652, 3874392, 4520124, 5273478, 6780186, 7031304, 7910217, 9040248, 10546956, 13560372, 15820434, 21093912, 23730651, 27120744, 31640868, 47461302, 63281736, 94922604, 189845208]

約数ペア:

[(1, 189845208), (2, 94922604), (3, 63281736), (4, 47461302), (6, 31640868), (7, 27120744), (8, 23730651), (9, 21093912), (12, 15820434), (14, 13560372), (18, 10546956), (21, 9040248), (24, 7910217), (27, 7031304), (28, 6780186), (36, 5273478), (42, 4520124), (49, 3874392), (54, 3515652), (56, 3390093), (63, 3013416), (72, 2636739), (81, 2343768), (84, 2260062), (98, 1937196), (108, 1757826), (126, 1506708), (147, 1291464), (162, 1171884), (168, 1130031), (189, 1004472), (196, 968598), (216, 878913), (243, 781256), (252, 753354), (294, 645732), (324, 585942), (378, 502236), (392, 484299), (441, 430488), (486, 390628), (504, 376677), (567, 334824), (588, 322866), (648, 292971), (756, 251118), (882, 215244), (972, 195314), (1134, 167412), (1176, 161433), (1323, 143496), (1512, 125559), (1701, 111608), (1764, 107622), (1944, 97657), (1993, 95256), (2268, 83706), (2646, 71748), (3402, 55804), (3528, 53811), (3969, 47832), (3986, 47628), (4536, 41853), (5292, 35874), (5979, 31752), (6804, 27902), (7938, 23916), (7972, 23814), (10584, 17937), (11907, 15944), (11958, 15876), (13608, 13951)]