19673344

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 42253568

約数和(自身を除く): 22580224

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 64, 67, 74, 124, 128, 134, 148, 248, 256, 268, 296, 496, 536, 592, 992, 1072, 1147, 1184, 1984, 2077, 2144, 2294, 2368, 2479, 3968, 4154, 4288, 4588, 4736, 4958, 7936, 8308, 8576, 9176, 9472, 9916, 16616, 17152, 18352, 19832, 33232, 36704, 39664, 66464, 73408, 76849, 79328, 132928, 146816, 153698, 158656, 265856, 293632, 307396, 317312, 531712, 614792, 634624, 1229584, 2459168, 4918336, 9836672, 19673344]

約数ペア:

[(1, 19673344), (2, 9836672), (4, 4918336), (8, 2459168), (16, 1229584), (31, 634624), (32, 614792), (37, 531712), (62, 317312), (64, 307396), (67, 293632), (74, 265856), (124, 158656), (128, 153698), (134, 146816), (148, 132928), (248, 79328), (256, 76849), (268, 73408), (296, 66464), (496, 39664), (536, 36704), (592, 33232), (992, 19832), (1072, 18352), (1147, 17152), (1184, 16616), (1984, 9916), (2077, 9472), (2144, 9176), (2294, 8576), (2368, 8308), (2479, 7936), (3968, 4958), (4154, 4736), (4288, 4588)]