19499776

素因数分解:

$2^8\times {\mathrm{19}}^2\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 54

約数和(自身を含む): 41274492

約数和(自身を除く): 21774716

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 211, 256, 304, 361, 422, 608, 722, 844, 1216, 1444, 1688, 2432, 2888, 3376, 4009, 4864, 5776, 6752, 8018, 11552, 13504, 16036, 23104, 27008, 32072, 46208, 54016, 64144, 76171, 92416, 128288, 152342, 256576, 304684, 513152, 609368, 1026304, 1218736, 2437472, 4874944, 9749888, 19499776]

約数ペア:

[(1, 19499776), (2, 9749888), (4, 4874944), (8, 2437472), (16, 1218736), (19, 1026304), (32, 609368), (38, 513152), (64, 304684), (76, 256576), (128, 152342), (152, 128288), (211, 92416), (256, 76171), (304, 64144), (361, 54016), (422, 46208), (608, 32072), (722, 27008), (844, 23104), (1216, 16036), (1444, 13504), (1688, 11552), (2432, 8018), (2888, 6752), (3376, 5776), (4009, 4864)]