16812416

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 36556800

約数和(自身を除く): 19744384

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 223, 248, 304, 446, 496, 589, 608, 892, 992, 1178, 1216, 1784, 1984, 2356, 2432, 3568, 3968, 4237, 4712, 6913, 7136, 8474, 9424, 13826, 14272, 16948, 18848, 27652, 28544, 33896, 37696, 55304, 67792, 75392, 110608, 131347, 135584, 221216, 262694, 271168, 442432, 525388, 542336, 884864, 1050776, 2101552, 4203104, 8406208, 16812416]

約数ペア:

[(1, 16812416), (2, 8406208), (4, 4203104), (8, 2101552), (16, 1050776), (19, 884864), (31, 542336), (32, 525388), (38, 442432), (62, 271168), (64, 262694), (76, 221216), (124, 135584), (128, 131347), (152, 110608), (223, 75392), (248, 67792), (304, 55304), (446, 37696), (496, 33896), (589, 28544), (608, 27652), (892, 18848), (992, 16948), (1178, 14272), (1216, 13826), (1784, 9424), (1984, 8474), (2356, 7136), (2432, 6913), (3568, 4712), (3968, 4237)]