19539840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10177}}^1$

素因数の和:10199

約数の個数: 64

約数和(自身を含む): 62289360

約数和(自身を除く): 42749520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10177, 20354, 30531, 40708, 50885, 61062, 81416, 101770, 122124, 152655, 162832, 203540, 244248, 305310, 325664, 407080, 488496, 610620, 651328, 814160, 976992, 1221240, 1302656, 1628320, 1953984, 2442480, 3256640, 3907968, 4884960, 6513280, 9769920, 19539840]

約数ペア:

[(1, 19539840), (2, 9769920), (3, 6513280), (4, 4884960), (5, 3907968), (6, 3256640), (8, 2442480), (10, 1953984), (12, 1628320), (15, 1302656), (16, 1221240), (20, 976992), (24, 814160), (30, 651328), (32, 610620), (40, 488496), (48, 407080), (60, 325664), (64, 305310), (80, 244248), (96, 203540), (120, 162832), (128, 152655), (160, 122124), (192, 101770), (240, 81416), (320, 61062), (384, 50885), (480, 40708), (640, 30531), (960, 20354), (1920, 10177)]