19540640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{239}}^1$

素因数の和:334

約数の個数: 96

約数和(自身を含む): 53706240

約数和(自身を除く): 34165600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 73, 80, 112, 140, 146, 160, 224, 239, 280, 292, 365, 478, 511, 560, 584, 730, 956, 1022, 1120, 1168, 1195, 1460, 1673, 1912, 2044, 2336, 2390, 2555, 2920, 3346, 3824, 4088, 4780, 5110, 5840, 6692, 7648, 8176, 8365, 9560, 10220, 11680, 13384, 16352, 16730, 17447, 19120, 20440, 26768, 33460, 34894, 38240, 40880, 53536, 66920, 69788, 81760, 87235, 122129, 133840, 139576, 174470, 244258, 267680, 279152, 348940, 488516, 558304, 610645, 697880, 977032, 1221290, 1395760, 1954064, 2442580, 2791520, 3908128, 4885160, 9770320, 19540640]

約数ペア:

[(1, 19540640), (2, 9770320), (4, 4885160), (5, 3908128), (7, 2791520), (8, 2442580), (10, 1954064), (14, 1395760), (16, 1221290), (20, 977032), (28, 697880), (32, 610645), (35, 558304), (40, 488516), (56, 348940), (70, 279152), (73, 267680), (80, 244258), (112, 174470), (140, 139576), (146, 133840), (160, 122129), (224, 87235), (239, 81760), (280, 69788), (292, 66920), (365, 53536), (478, 40880), (511, 38240), (560, 34894), (584, 33460), (730, 26768), (956, 20440), (1022, 19120), (1120, 17447), (1168, 16730), (1195, 16352), (1460, 13384), (1673, 11680), (1912, 10220), (2044, 9560), (2336, 8365), (2390, 8176), (2555, 7648), (2920, 6692), (3346, 5840), (3824, 5110), (4088, 4780)]