18795972

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1697}}^1$

素因数の和:1788

約数の個数: 48

約数和(自身を含む): 47924352

約数和(自身を除く): 29128380

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 71, 78, 142, 156, 213, 284, 426, 852, 923, 1697, 1846, 2769, 3394, 3692, 5091, 5538, 6788, 10182, 11076, 20364, 22061, 44122, 66183, 88244, 120487, 132366, 240974, 264732, 361461, 481948, 722922, 1445844, 1566331, 3132662, 4698993, 6265324, 9397986, 18795972]

約数ペア:

[(1, 18795972), (2, 9397986), (3, 6265324), (4, 4698993), (6, 3132662), (12, 1566331), (13, 1445844), (26, 722922), (39, 481948), (52, 361461), (71, 264732), (78, 240974), (142, 132366), (156, 120487), (213, 88244), (284, 66183), (426, 44122), (852, 22061), (923, 20364), (1697, 11076), (1846, 10182), (2769, 6788), (3394, 5538), (3692, 5091)]