19917828

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{79039}}^1$

素因数の和:79056

約数の個数: 36

約数和(自身を含む): 57541120

約数和(自身を除く): 37623292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 79039, 158078, 237117, 316156, 474234, 553273, 711351, 948468, 1106546, 1422702, 1659819, 2213092, 2845404, 3319638, 4979457, 6639276, 9958914, 19917828]

約数ペア:

[(1, 19917828), (2, 9958914), (3, 6639276), (4, 4979457), (6, 3319638), (7, 2845404), (9, 2213092), (12, 1659819), (14, 1422702), (18, 1106546), (21, 948468), (28, 711351), (36, 553273), (42, 474234), (63, 316156), (84, 237117), (126, 158078), (252, 79039)]