19581520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 52853760

約数和(自身を除く): 33272240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 479, 511, 560, 584, 730, 958, 1022, 1168, 1460, 1916, 2044, 2395, 2555, 2920, 3353, 3832, 4088, 4790, 5110, 5840, 6706, 7664, 8176, 9580, 10220, 13412, 16765, 19160, 20440, 26824, 33530, 34967, 38320, 40880, 53648, 67060, 69934, 134120, 139868, 174835, 244769, 268240, 279736, 349670, 489538, 559472, 699340, 979076, 1223845, 1398680, 1958152, 2447690, 2797360, 3916304, 4895380, 9790760, 19581520]

約数ペア:

[(1, 19581520), (2, 9790760), (4, 4895380), (5, 3916304), (7, 2797360), (8, 2447690), (10, 1958152), (14, 1398680), (16, 1223845), (20, 979076), (28, 699340), (35, 559472), (40, 489538), (56, 349670), (70, 279736), (73, 268240), (80, 244769), (112, 174835), (140, 139868), (146, 134120), (280, 69934), (292, 67060), (365, 53648), (479, 40880), (511, 38320), (560, 34967), (584, 33530), (730, 26824), (958, 20440), (1022, 19160), (1168, 16765), (1460, 13412), (1916, 10220), (2044, 9580), (2395, 8176), (2555, 7664), (2920, 6706), (3353, 5840), (3832, 5110), (4088, 4790)]