16923680

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{293}}^1$

素因数の和:346

約数の個数: 72

約数和(自身を含む): 42341292

約数和(自身を除く): 25417612

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 293, 304, 361, 380, 586, 608, 722, 760, 1172, 1444, 1465, 1520, 1805, 2344, 2888, 2930, 3040, 3610, 4688, 5567, 5776, 5860, 7220, 9376, 11134, 11552, 11720, 14440, 22268, 23440, 27835, 28880, 44536, 46880, 55670, 57760, 89072, 105773, 111340, 178144, 211546, 222680, 423092, 445360, 528865, 846184, 890720, 1057730, 1692368, 2115460, 3384736, 4230920, 8461840, 16923680]

約数ペア:

[(1, 16923680), (2, 8461840), (4, 4230920), (5, 3384736), (8, 2115460), (10, 1692368), (16, 1057730), (19, 890720), (20, 846184), (32, 528865), (38, 445360), (40, 423092), (76, 222680), (80, 211546), (95, 178144), (152, 111340), (160, 105773), (190, 89072), (293, 57760), (304, 55670), (361, 46880), (380, 44536), (586, 28880), (608, 27835), (722, 23440), (760, 22268), (1172, 14440), (1444, 11720), (1465, 11552), (1520, 11134), (1805, 9376), (2344, 7220), (2888, 5860), (2930, 5776), (3040, 5567), (3610, 4688)]