18616352

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 39241440

約数和(自身を除く): 20625088

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 67, 76, 134, 152, 268, 304, 457, 536, 608, 914, 1072, 1273, 1828, 2144, 2546, 3656, 5092, 7312, 8683, 10184, 14624, 17366, 20368, 30619, 34732, 40736, 61238, 69464, 122476, 138928, 244952, 277856, 489904, 581761, 979808, 1163522, 2327044, 4654088, 9308176, 18616352]

約数ペア:

[(1, 18616352), (2, 9308176), (4, 4654088), (8, 2327044), (16, 1163522), (19, 979808), (32, 581761), (38, 489904), (67, 277856), (76, 244952), (134, 138928), (152, 122476), (268, 69464), (304, 61238), (457, 40736), (536, 34732), (608, 30619), (914, 20368), (1072, 17366), (1273, 14624), (1828, 10184), (2144, 8683), (2546, 7312), (3656, 5092)]