19634080

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:170

約数の個数: 72

約数和(自身を含む): 48195756

約数和(自身を除く): 28561676

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 73, 80, 82, 146, 160, 164, 205, 292, 328, 365, 410, 584, 656, 730, 820, 1168, 1312, 1460, 1640, 1681, 2336, 2920, 2993, 3280, 3362, 5840, 5986, 6560, 6724, 8405, 11680, 11972, 13448, 14965, 16810, 23944, 26896, 29930, 33620, 47888, 53792, 59860, 67240, 95776, 119720, 122713, 134480, 239440, 245426, 268960, 478880, 490852, 613565, 981704, 1227130, 1963408, 2454260, 3926816, 4908520, 9817040, 19634080]

約数ペア:

[(1, 19634080), (2, 9817040), (4, 4908520), (5, 3926816), (8, 2454260), (10, 1963408), (16, 1227130), (20, 981704), (32, 613565), (40, 490852), (41, 478880), (73, 268960), (80, 245426), (82, 239440), (146, 134480), (160, 122713), (164, 119720), (205, 95776), (292, 67240), (328, 59860), (365, 53792), (410, 47888), (584, 33620), (656, 29930), (730, 26896), (820, 23944), (1168, 16810), (1312, 14965), (1460, 13448), (1640, 11972), (1681, 11680), (2336, 8405), (2920, 6724), (2993, 6560), (3280, 5986), (3362, 5840)]