19754460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{907}}^1$

素因数の和:944

約数の個数: 108

約数和(自身を含む): 65937144

約数和(自身を除く): 46182684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 907, 990, 1089, 1210, 1452, 1814, 1815, 1980, 2178, 2420, 2721, 3628, 3630, 4356, 4535, 5442, 5445, 7260, 8163, 9070, 9977, 10884, 10890, 13605, 16326, 18140, 19954, 21780, 27210, 29931, 32652, 39908, 40815, 49885, 54420, 59862, 81630, 89793, 99770, 109747, 119724, 149655, 163260, 179586, 199540, 219494, 299310, 329241, 359172, 438988, 448965, 548735, 598620, 658482, 897930, 987723, 1097470, 1316964, 1646205, 1795860, 1975446, 2194940, 3292410, 3950892, 4938615, 6584820, 9877230, 19754460]

約数ペア:

[(1, 19754460), (2, 9877230), (3, 6584820), (4, 4938615), (5, 3950892), (6, 3292410), (9, 2194940), (10, 1975446), (11, 1795860), (12, 1646205), (15, 1316964), (18, 1097470), (20, 987723), (22, 897930), (30, 658482), (33, 598620), (36, 548735), (44, 448965), (45, 438988), (55, 359172), (60, 329241), (66, 299310), (90, 219494), (99, 199540), (110, 179586), (121, 163260), (132, 149655), (165, 119724), (180, 109747), (198, 99770), (220, 89793), (242, 81630), (330, 59862), (363, 54420), (396, 49885), (484, 40815), (495, 39908), (605, 32652), (660, 29931), (726, 27210), (907, 21780), (990, 19954), (1089, 18140), (1210, 16326), (1452, 13605), (1814, 10890), (1815, 10884), (1980, 9977), (2178, 9070), (2420, 8163), (2721, 7260), (3628, 5445), (3630, 5442), (4356, 4535)]