19589440

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1$

素因数の和:324

約数の個数: 112

約数和(自身を含む): 53382672

約数和(自身を除く): 33793232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 64, 65, 68, 80, 85, 104, 130, 136, 160, 170, 208, 221, 260, 272, 277, 320, 340, 416, 442, 520, 544, 554, 680, 832, 884, 1040, 1088, 1105, 1108, 1360, 1385, 1768, 2080, 2210, 2216, 2720, 2770, 3536, 3601, 4160, 4420, 4432, 4709, 5440, 5540, 7072, 7202, 8840, 8864, 9418, 11080, 14144, 14404, 17680, 17728, 18005, 18836, 22160, 23545, 28808, 35360, 36010, 37672, 44320, 47090, 57616, 61217, 70720, 72020, 75344, 88640, 94180, 115232, 122434, 144040, 150688, 188360, 230464, 244868, 288080, 301376, 306085, 376720, 489736, 576160, 612170, 753440, 979472, 1152320, 1224340, 1506880, 1958944, 2448680, 3917888, 4897360, 9794720, 19589440]

約数ペア:

[(1, 19589440), (2, 9794720), (4, 4897360), (5, 3917888), (8, 2448680), (10, 1958944), (13, 1506880), (16, 1224340), (17, 1152320), (20, 979472), (26, 753440), (32, 612170), (34, 576160), (40, 489736), (52, 376720), (64, 306085), (65, 301376), (68, 288080), (80, 244868), (85, 230464), (104, 188360), (130, 150688), (136, 144040), (160, 122434), (170, 115232), (208, 94180), (221, 88640), (260, 75344), (272, 72020), (277, 70720), (320, 61217), (340, 57616), (416, 47090), (442, 44320), (520, 37672), (544, 36010), (554, 35360), (680, 28808), (832, 23545), (884, 22160), (1040, 18836), (1088, 18005), (1105, 17728), (1108, 17680), (1360, 14404), (1385, 14144), (1768, 11080), (2080, 9418), (2210, 8864), (2216, 8840), (2720, 7202), (2770, 7072), (3536, 5540), (3601, 5440), (4160, 4709), (4420, 4432)]