19516320

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13553}}^1$

素因数の和:13574

約数の個数: 72

約数和(自身を含む): 66604356

約数和(自身を除く): 47088036

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13553, 27106, 40659, 54212, 67765, 81318, 108424, 121977, 135530, 162636, 203295, 216848, 243954, 271060, 325272, 406590, 433696, 487908, 542120, 609885, 650544, 813180, 975816, 1084240, 1219770, 1301088, 1626360, 1951632, 2168480, 2439540, 3252720, 3903264, 4879080, 6505440, 9758160, 19516320]

約数ペア:

[(1, 19516320), (2, 9758160), (3, 6505440), (4, 4879080), (5, 3903264), (6, 3252720), (8, 2439540), (9, 2168480), (10, 1951632), (12, 1626360), (15, 1301088), (16, 1219770), (18, 1084240), (20, 975816), (24, 813180), (30, 650544), (32, 609885), (36, 542120), (40, 487908), (45, 433696), (48, 406590), (60, 325272), (72, 271060), (80, 243954), (90, 216848), (96, 203295), (120, 162636), (144, 135530), (160, 121977), (180, 108424), (240, 81318), (288, 67765), (360, 54212), (480, 40659), (720, 27106), (1440, 13553)]