19208994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:359

約数の個数: 64

約数和(自身を含む): 46227456

約数和(自身を除く): 27018462

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 47, 74, 94, 111, 141, 222, 259, 263, 282, 329, 518, 526, 658, 777, 789, 987, 1554, 1578, 1739, 1841, 1974, 3478, 3682, 5217, 5523, 9731, 10434, 11046, 12173, 12361, 19462, 24346, 24722, 29193, 36519, 37083, 58386, 68117, 73038, 74166, 86527, 136234, 173054, 204351, 259581, 408702, 457357, 519162, 914714, 1372071, 2744142, 3201499, 6402998, 9604497, 19208994]

約数ペア:

[(1, 19208994), (2, 9604497), (3, 6402998), (6, 3201499), (7, 2744142), (14, 1372071), (21, 914714), (37, 519162), (42, 457357), (47, 408702), (74, 259581), (94, 204351), (111, 173054), (141, 136234), (222, 86527), (259, 74166), (263, 73038), (282, 68117), (329, 58386), (518, 37083), (526, 36519), (658, 29193), (777, 24722), (789, 24346), (987, 19462), (1554, 12361), (1578, 12173), (1739, 11046), (1841, 10434), (1974, 9731), (3478, 5523), (3682, 5217)]