19444854

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:333

約数の個数: 64

約数和(自身を含む): 46303488

約数和(自身を除く): 26858634

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 131, 143, 173, 262, 286, 346, 393, 429, 519, 786, 858, 1038, 1441, 1703, 1903, 2249, 2882, 3406, 3806, 4323, 4498, 5109, 5709, 6747, 8646, 10218, 11418, 13494, 18733, 22663, 24739, 37466, 45326, 49478, 56199, 67989, 74217, 112398, 135978, 148434, 249293, 294619, 498586, 589238, 747879, 883857, 1495758, 1767714, 3240809, 6481618, 9722427, 19444854]

約数ペア:

[(1, 19444854), (2, 9722427), (3, 6481618), (6, 3240809), (11, 1767714), (13, 1495758), (22, 883857), (26, 747879), (33, 589238), (39, 498586), (66, 294619), (78, 249293), (131, 148434), (143, 135978), (173, 112398), (262, 74217), (286, 67989), (346, 56199), (393, 49478), (429, 45326), (519, 37466), (786, 24739), (858, 22663), (1038, 18733), (1441, 13494), (1703, 11418), (1903, 10218), (2249, 8646), (2882, 6747), (3406, 5709), (3806, 5109), (4323, 4498)]