18399440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:276

約数の個数: 80

約数和(自身を含む): 46122048

約数和(自身を除く): 27722608

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 163, 166, 170, 272, 326, 332, 340, 415, 652, 664, 680, 815, 830, 1304, 1328, 1360, 1411, 1630, 1660, 2608, 2771, 2822, 3260, 3320, 5542, 5644, 6520, 6640, 7055, 11084, 11288, 13040, 13529, 13855, 14110, 22168, 22576, 27058, 27710, 28220, 44336, 54116, 55420, 56440, 67645, 108232, 110840, 112880, 135290, 216464, 221680, 229993, 270580, 459986, 541160, 919972, 1082320, 1149965, 1839944, 2299930, 3679888, 4599860, 9199720, 18399440]

約数ペア:

[(1, 18399440), (2, 9199720), (4, 4599860), (5, 3679888), (8, 2299930), (10, 1839944), (16, 1149965), (17, 1082320), (20, 919972), (34, 541160), (40, 459986), (68, 270580), (80, 229993), (83, 221680), (85, 216464), (136, 135290), (163, 112880), (166, 110840), (170, 108232), (272, 67645), (326, 56440), (332, 55420), (340, 54116), (415, 44336), (652, 28220), (664, 27710), (680, 27058), (815, 22576), (830, 22168), (1304, 14110), (1328, 13855), (1360, 13529), (1411, 13040), (1630, 11288), (1660, 11084), (2608, 7055), (2771, 6640), (2822, 6520), (3260, 5644), (3320, 5542)]