19479320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{953}}^1$

素因数の和:1044

約数の個数: 64

約数和(自身を含む): 50829120

約数和(自身を除く): 31349800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 73, 140, 146, 280, 292, 365, 511, 584, 730, 953, 1022, 1460, 1906, 2044, 2555, 2920, 3812, 4088, 4765, 5110, 6671, 7624, 9530, 10220, 13342, 19060, 20440, 26684, 33355, 38120, 53368, 66710, 69569, 133420, 139138, 266840, 278276, 347845, 486983, 556552, 695690, 973966, 1391380, 1947932, 2434915, 2782760, 3895864, 4869830, 9739660, 19479320]

約数ペア:

[(1, 19479320), (2, 9739660), (4, 4869830), (5, 3895864), (7, 2782760), (8, 2434915), (10, 1947932), (14, 1391380), (20, 973966), (28, 695690), (35, 556552), (40, 486983), (56, 347845), (70, 278276), (73, 266840), (140, 139138), (146, 133420), (280, 69569), (292, 66710), (365, 53368), (511, 38120), (584, 33355), (730, 26684), (953, 20440), (1022, 19060), (1460, 13342), (1906, 10220), (2044, 9530), (2555, 7624), (2920, 6671), (3812, 5110), (4088, 4765)]