19347968

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:125

約数の個数: 80

約数和(自身を含む): 42425856

約数和(自身を除く): 23077888

約数列:

[1, 2, 4, 8, 16, 23, 31, 32, 46, 53, 62, 64, 92, 106, 124, 128, 184, 212, 248, 256, 368, 424, 496, 512, 713, 736, 848, 992, 1219, 1426, 1472, 1643, 1696, 1984, 2438, 2852, 2944, 3286, 3392, 3968, 4876, 5704, 5888, 6572, 6784, 7936, 9752, 11408, 11776, 13144, 13568, 15872, 19504, 22816, 26288, 27136, 37789, 39008, 45632, 52576, 75578, 78016, 91264, 105152, 151156, 156032, 182528, 210304, 302312, 312064, 365056, 420608, 604624, 624128, 841216, 1209248, 2418496, 4836992, 9673984, 19347968]

約数ペア:

[(1, 19347968), (2, 9673984), (4, 4836992), (8, 2418496), (16, 1209248), (23, 841216), (31, 624128), (32, 604624), (46, 420608), (53, 365056), (62, 312064), (64, 302312), (92, 210304), (106, 182528), (124, 156032), (128, 151156), (184, 105152), (212, 91264), (248, 78016), (256, 75578), (368, 52576), (424, 45632), (496, 39008), (512, 37789), (713, 27136), (736, 26288), (848, 22816), (992, 19504), (1219, 15872), (1426, 13568), (1472, 13144), (1643, 11776), (1696, 11408), (1984, 9752), (2438, 7936), (2852, 6784), (2944, 6572), (3286, 5888), (3392, 5704), (3968, 4876)]