18747312

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 51330048

約数和(自身を除く): 32582736

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 43, 48, 62, 86, 93, 124, 129, 172, 186, 248, 258, 293, 344, 372, 496, 516, 586, 688, 744, 879, 1032, 1172, 1333, 1488, 1758, 2064, 2344, 2666, 3516, 3999, 4688, 5332, 7032, 7998, 9083, 10664, 12599, 14064, 15996, 18166, 21328, 25198, 27249, 31992, 36332, 37797, 50396, 54498, 63984, 72664, 75594, 100792, 108996, 145328, 151188, 201584, 217992, 302376, 390569, 435984, 604752, 781138, 1171707, 1562276, 2343414, 3124552, 4686828, 6249104, 9373656, 18747312]

約数ペア:

[(1, 18747312), (2, 9373656), (3, 6249104), (4, 4686828), (6, 3124552), (8, 2343414), (12, 1562276), (16, 1171707), (24, 781138), (31, 604752), (43, 435984), (48, 390569), (62, 302376), (86, 217992), (93, 201584), (124, 151188), (129, 145328), (172, 108996), (186, 100792), (248, 75594), (258, 72664), (293, 63984), (344, 54498), (372, 50396), (496, 37797), (516, 36332), (586, 31992), (688, 27249), (744, 25198), (879, 21328), (1032, 18166), (1172, 15996), (1333, 14064), (1488, 12599), (1758, 10664), (2064, 9083), (2344, 7998), (2666, 7032), (3516, 5332), (3999, 4688)]