18271810816

素因数分解:

$2^8\times 7^1\times {\mathrm{2819}}^1\times {\mathrm{3617}}^1$

素因数の和:6459

約数の個数: 72

約数和(自身を含む): 41708882880

約数和(自身を除く): 23437072064

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 2819, 3617, 5638, 7234, 11276, 14468, 19733, 22552, 25319, 28936, 39466, 45104, 50638, 57872, 78932, 90208, 101276, 115744, 157864, 180416, 202552, 231488, 315728, 360832, 405104, 462976, 631456, 721664, 810208, 925952, 1262912, 1620416, 2525824, 3240832, 5051648, 6481664, 10196323, 20392646, 40785292, 71374261, 81570584, 142748522, 163141168, 285497044, 326282336, 570994088, 652564672, 1141988176, 1305129344, 2283976352, 2610258688, 4567952704, 9135905408, 18271810816]

約数ペア:

[(1, 18271810816), (2, 9135905408), (4, 4567952704), (7, 2610258688), (8, 2283976352), (14, 1305129344), (16, 1141988176), (28, 652564672), (32, 570994088), (56, 326282336), (64, 285497044), (112, 163141168), (128, 142748522), (224, 81570584), (256, 71374261), (448, 40785292), (896, 20392646), (1792, 10196323), (2819, 6481664), (3617, 5051648), (5638, 3240832), (7234, 2525824), (11276, 1620416), (14468, 1262912), (19733, 925952), (22552, 810208), (25319, 721664), (28936, 631456), (39466, 462976), (45104, 405104), (50638, 360832), (57872, 315728), (78932, 231488), (90208, 202552), (101276, 180416), (115744, 157864)]