19908448

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47996928

約数和(自身を除く): 28088480

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 47, 56, 61, 62, 94, 112, 122, 124, 188, 217, 224, 244, 248, 329, 376, 427, 434, 488, 496, 658, 752, 854, 868, 976, 992, 1316, 1457, 1504, 1708, 1736, 1891, 1952, 2632, 2867, 2914, 3416, 3472, 3782, 5264, 5734, 5828, 6832, 6944, 7564, 10199, 10528, 11468, 11656, 13237, 13664, 15128, 20069, 20398, 22936, 23312, 26474, 30256, 40138, 40796, 45872, 46624, 52948, 60512, 80276, 81592, 88877, 91744, 105896, 160552, 163184, 177754, 211792, 321104, 326368, 355508, 423584, 622139, 642208, 711016, 1244278, 1422032, 2488556, 2844064, 4977112, 9954224, 19908448]

約数ペア:

[(1, 19908448), (2, 9954224), (4, 4977112), (7, 2844064), (8, 2488556), (14, 1422032), (16, 1244278), (28, 711016), (31, 642208), (32, 622139), (47, 423584), (56, 355508), (61, 326368), (62, 321104), (94, 211792), (112, 177754), (122, 163184), (124, 160552), (188, 105896), (217, 91744), (224, 88877), (244, 81592), (248, 80276), (329, 60512), (376, 52948), (427, 46624), (434, 45872), (488, 40796), (496, 40138), (658, 30256), (752, 26474), (854, 23312), (868, 22936), (976, 20398), (992, 20069), (1316, 15128), (1457, 13664), (1504, 13237), (1708, 11656), (1736, 11468), (1891, 10528), (1952, 10199), (2632, 7564), (2867, 6944), (2914, 6832), (3416, 5828), (3472, 5734), (3782, 5264)]