18563456

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:499

約数の個数: 64

約数和(自身を含む): 41310000

約数和(自身を除く): 22746544

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 152, 272, 304, 323, 449, 544, 608, 646, 898, 1088, 1216, 1292, 1796, 2176, 2432, 2584, 3592, 5168, 7184, 7633, 8531, 10336, 14368, 15266, 17062, 20672, 28736, 30532, 34124, 41344, 57472, 61064, 68248, 122128, 136496, 145027, 244256, 272992, 290054, 488512, 545984, 580108, 977024, 1091968, 1160216, 2320432, 4640864, 9281728, 18563456]

約数ペア:

[(1, 18563456), (2, 9281728), (4, 4640864), (8, 2320432), (16, 1160216), (17, 1091968), (19, 977024), (32, 580108), (34, 545984), (38, 488512), (64, 290054), (68, 272992), (76, 244256), (128, 145027), (136, 136496), (152, 122128), (272, 68248), (304, 61064), (323, 57472), (449, 41344), (544, 34124), (608, 30532), (646, 28736), (898, 20672), (1088, 17062), (1216, 15266), (1292, 14368), (1796, 10336), (2176, 8531), (2432, 7633), (2584, 7184), (3592, 5168)]