18338648

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:240

約数の個数: 64

約数和(自身を含む): 39398400

約数和(自身を除く): 21059752

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 47, 68, 76, 94, 136, 151, 152, 188, 302, 323, 376, 604, 646, 799, 893, 1208, 1292, 1598, 1786, 2567, 2584, 2869, 3196, 3572, 5134, 5738, 6392, 7097, 7144, 10268, 11476, 14194, 15181, 20536, 22952, 28388, 30362, 48773, 56776, 60724, 97546, 120649, 121448, 134843, 195092, 241298, 269686, 390184, 482596, 539372, 965192, 1078744, 2292331, 4584662, 9169324, 18338648]

約数ペア:

[(1, 18338648), (2, 9169324), (4, 4584662), (8, 2292331), (17, 1078744), (19, 965192), (34, 539372), (38, 482596), (47, 390184), (68, 269686), (76, 241298), (94, 195092), (136, 134843), (151, 121448), (152, 120649), (188, 97546), (302, 60724), (323, 56776), (376, 48773), (604, 30362), (646, 28388), (799, 22952), (893, 20536), (1208, 15181), (1292, 14194), (1598, 11476), (1786, 10268), (2567, 7144), (2584, 7097), (2869, 6392), (3196, 5738), (3572, 5134)]