19194813

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 32288256

約数和(自身を除く): 13093443

約数列:

[1, 3, 9, 11, 27, 33, 43, 81, 99, 129, 167, 243, 297, 387, 473, 501, 891, 1161, 1419, 1503, 1837, 2673, 3483, 4257, 4509, 5511, 7181, 10449, 12771, 13527, 16533, 21543, 38313, 40581, 49599, 64629, 78991, 114939, 148797, 193887, 236973, 446391, 581661, 710919, 1744983, 2132757, 6398271, 19194813]

約数ペア:

[(1, 19194813), (3, 6398271), (9, 2132757), (11, 1744983), (27, 710919), (33, 581661), (43, 446391), (81, 236973), (99, 193887), (129, 148797), (167, 114939), (243, 78991), (297, 64629), (387, 49599), (473, 40581), (501, 38313), (891, 21543), (1161, 16533), (1419, 13527), (1503, 12771), (1837, 10449), (2673, 7181), (3483, 5511), (4257, 4509)]