19287240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22961}}^1$

素因数の和:22982

約数の個数: 64

約数和(自身を含む): 66130560

約数和(自身を除く): 46843320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 22961, 45922, 68883, 91844, 114805, 137766, 160727, 183688, 229610, 275532, 321454, 344415, 459220, 482181, 551064, 642908, 688830, 803635, 918440, 964362, 1285816, 1377660, 1607270, 1928724, 2410905, 2755320, 3214540, 3857448, 4821810, 6429080, 9643620, 19287240]

約数ペア:

[(1, 19287240), (2, 9643620), (3, 6429080), (4, 4821810), (5, 3857448), (6, 3214540), (7, 2755320), (8, 2410905), (10, 1928724), (12, 1607270), (14, 1377660), (15, 1285816), (20, 964362), (21, 918440), (24, 803635), (28, 688830), (30, 642908), (35, 551064), (40, 482181), (42, 459220), (56, 344415), (60, 321454), (70, 275532), (84, 229610), (105, 183688), (120, 160727), (140, 137766), (168, 114805), (210, 91844), (280, 68883), (420, 45922), (840, 22961)]