19220960

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 96

約数和(自身を含む): 50585472

約数和(自身を除く): 31364512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 67, 80, 88, 110, 134, 160, 163, 176, 220, 268, 326, 335, 352, 440, 536, 652, 670, 737, 815, 880, 1072, 1304, 1340, 1474, 1630, 1760, 1793, 2144, 2608, 2680, 2948, 3260, 3586, 3685, 5216, 5360, 5896, 6520, 7172, 7370, 8965, 10720, 10921, 11792, 13040, 14344, 14740, 17930, 21842, 23584, 26080, 28688, 29480, 35860, 43684, 54605, 57376, 58960, 71720, 87368, 109210, 117920, 120131, 143440, 174736, 218420, 240262, 286880, 349472, 436840, 480524, 600655, 873680, 961048, 1201310, 1747360, 1922096, 2402620, 3844192, 4805240, 9610480, 19220960]

約数ペア:

[(1, 19220960), (2, 9610480), (4, 4805240), (5, 3844192), (8, 2402620), (10, 1922096), (11, 1747360), (16, 1201310), (20, 961048), (22, 873680), (32, 600655), (40, 480524), (44, 436840), (55, 349472), (67, 286880), (80, 240262), (88, 218420), (110, 174736), (134, 143440), (160, 120131), (163, 117920), (176, 109210), (220, 87368), (268, 71720), (326, 58960), (335, 57376), (352, 54605), (440, 43684), (536, 35860), (652, 29480), (670, 28688), (737, 26080), (815, 23584), (880, 21842), (1072, 17930), (1304, 14740), (1340, 14344), (1474, 13040), (1630, 11792), (1760, 10921), (1793, 10720), (2144, 8965), (2608, 7370), (2680, 7172), (2948, 6520), (3260, 5896), (3586, 5360), (3685, 5216)]