19586720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 96

約数和(自身を含む): 51710400

約数和(自身を除く): 32123680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 160, 170, 190, 272, 304, 323, 340, 379, 380, 544, 608, 646, 680, 758, 760, 1292, 1360, 1516, 1520, 1615, 1895, 2584, 2720, 3032, 3040, 3230, 3790, 5168, 6064, 6443, 6460, 7201, 7580, 10336, 12128, 12886, 12920, 14402, 15160, 25772, 25840, 28804, 30320, 32215, 36005, 51544, 51680, 57608, 60640, 64430, 72010, 103088, 115216, 122417, 128860, 144020, 206176, 230432, 244834, 257720, 288040, 489668, 515440, 576080, 612085, 979336, 1030880, 1152160, 1224170, 1958672, 2448340, 3917344, 4896680, 9793360, 19586720]

約数ペア:

[(1, 19586720), (2, 9793360), (4, 4896680), (5, 3917344), (8, 2448340), (10, 1958672), (16, 1224170), (17, 1152160), (19, 1030880), (20, 979336), (32, 612085), (34, 576080), (38, 515440), (40, 489668), (68, 288040), (76, 257720), (80, 244834), (85, 230432), (95, 206176), (136, 144020), (152, 128860), (160, 122417), (170, 115216), (190, 103088), (272, 72010), (304, 64430), (323, 60640), (340, 57608), (379, 51680), (380, 51544), (544, 36005), (608, 32215), (646, 30320), (680, 28804), (758, 25840), (760, 25772), (1292, 15160), (1360, 14402), (1516, 12920), (1520, 12886), (1615, 12128), (1895, 10336), (2584, 7580), (2720, 7201), (3032, 6460), (3040, 6443), (3230, 6064), (3790, 5168)]