19669408

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 96

約数和(自身を含む): 47355840

約数和(自身を除く): 27686432

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 32, 34, 38, 44, 68, 76, 88, 136, 152, 173, 176, 187, 209, 272, 304, 323, 346, 352, 374, 418, 544, 608, 646, 692, 748, 836, 1292, 1384, 1496, 1672, 1903, 2584, 2768, 2941, 2992, 3287, 3344, 3553, 3806, 5168, 5536, 5882, 5984, 6574, 6688, 7106, 7612, 10336, 11764, 13148, 14212, 15224, 23528, 26296, 28424, 30448, 32351, 36157, 47056, 52592, 55879, 56848, 60896, 64702, 72314, 94112, 105184, 111758, 113696, 129404, 144628, 223516, 258808, 289256, 447032, 517616, 578512, 614669, 894064, 1035232, 1157024, 1229338, 1788128, 2458676, 4917352, 9834704, 19669408]

約数ペア:

[(1, 19669408), (2, 9834704), (4, 4917352), (8, 2458676), (11, 1788128), (16, 1229338), (17, 1157024), (19, 1035232), (22, 894064), (32, 614669), (34, 578512), (38, 517616), (44, 447032), (68, 289256), (76, 258808), (88, 223516), (136, 144628), (152, 129404), (173, 113696), (176, 111758), (187, 105184), (209, 94112), (272, 72314), (304, 64702), (323, 60896), (346, 56848), (352, 55879), (374, 52592), (418, 47056), (544, 36157), (608, 32351), (646, 30448), (692, 28424), (748, 26296), (836, 23528), (1292, 15224), (1384, 14212), (1496, 13148), (1672, 11764), (1903, 10336), (2584, 7612), (2768, 7106), (2941, 6688), (2992, 6574), (3287, 5984), (3344, 5882), (3553, 5536), (3806, 5168)]