18993828

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 54964224

約数和(自身を除く): 35970396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 47, 51, 68, 84, 94, 102, 119, 141, 188, 204, 238, 282, 283, 329, 357, 476, 564, 566, 658, 714, 799, 849, 987, 1132, 1316, 1428, 1598, 1698, 1974, 1981, 2397, 3196, 3396, 3948, 3962, 4794, 4811, 5593, 5943, 7924, 9588, 9622, 11186, 11886, 13301, 14433, 16779, 19244, 22372, 23772, 26602, 28866, 33558, 33677, 39903, 53204, 57732, 67116, 67354, 79806, 93107, 101031, 134708, 159612, 186214, 202062, 226117, 279321, 372428, 404124, 452234, 558642, 678351, 904468, 1117284, 1356702, 1582819, 2713404, 3165638, 4748457, 6331276, 9496914, 18993828]

約数ペア:

[(1, 18993828), (2, 9496914), (3, 6331276), (4, 4748457), (6, 3165638), (7, 2713404), (12, 1582819), (14, 1356702), (17, 1117284), (21, 904468), (28, 678351), (34, 558642), (42, 452234), (47, 404124), (51, 372428), (68, 279321), (84, 226117), (94, 202062), (102, 186214), (119, 159612), (141, 134708), (188, 101031), (204, 93107), (238, 79806), (282, 67354), (283, 67116), (329, 57732), (357, 53204), (476, 39903), (564, 33677), (566, 33558), (658, 28866), (714, 26602), (799, 23772), (849, 22372), (987, 19244), (1132, 16779), (1316, 14433), (1428, 13301), (1598, 11886), (1698, 11186), (1974, 9622), (1981, 9588), (2397, 7924), (3196, 5943), (3396, 5593), (3948, 4811), (3962, 4794)]