19117860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{18743}}^1$

素因数の和:18772

約数の個数: 48

約数和(自身を含む): 56681856

約数和(自身を除く): 37563996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 18743, 37486, 56229, 74972, 93715, 112458, 187430, 224916, 281145, 318631, 374860, 562290, 637262, 955893, 1124580, 1274524, 1593155, 1911786, 3186310, 3823572, 4779465, 6372620, 9558930, 19117860]

約数ペア:

[(1, 19117860), (2, 9558930), (3, 6372620), (4, 4779465), (5, 3823572), (6, 3186310), (10, 1911786), (12, 1593155), (15, 1274524), (17, 1124580), (20, 955893), (30, 637262), (34, 562290), (51, 374860), (60, 318631), (68, 281145), (85, 224916), (102, 187430), (170, 112458), (204, 93715), (255, 74972), (340, 56229), (510, 37486), (1020, 18743)]