18996160

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:158

約数の個数: 112

約数和(自身を含む): 49377600

約数和(自身を除く): 30381440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 64, 80, 89, 92, 115, 116, 145, 160, 178, 184, 230, 232, 290, 320, 356, 368, 445, 460, 464, 580, 667, 712, 736, 890, 920, 928, 1160, 1334, 1424, 1472, 1780, 1840, 1856, 2047, 2320, 2581, 2668, 2848, 3335, 3560, 3680, 4094, 4640, 5162, 5336, 5696, 6670, 7120, 7360, 8188, 9280, 10235, 10324, 10672, 12905, 13340, 14240, 16376, 20470, 20648, 21344, 25810, 26680, 28480, 32752, 40940, 41296, 42688, 51620, 53360, 59363, 65504, 81880, 82592, 103240, 106720, 118726, 131008, 163760, 165184, 206480, 213440, 237452, 296815, 327520, 412960, 474904, 593630, 655040, 825920, 949808, 1187260, 1899616, 2374520, 3799232, 4749040, 9498080, 18996160]

約数ペア:

[(1, 18996160), (2, 9498080), (4, 4749040), (5, 3799232), (8, 2374520), (10, 1899616), (16, 1187260), (20, 949808), (23, 825920), (29, 655040), (32, 593630), (40, 474904), (46, 412960), (58, 327520), (64, 296815), (80, 237452), (89, 213440), (92, 206480), (115, 165184), (116, 163760), (145, 131008), (160, 118726), (178, 106720), (184, 103240), (230, 82592), (232, 81880), (290, 65504), (320, 59363), (356, 53360), (368, 51620), (445, 42688), (460, 41296), (464, 40940), (580, 32752), (667, 28480), (712, 26680), (736, 25810), (890, 21344), (920, 20648), (928, 20470), (1160, 16376), (1334, 14240), (1424, 13340), (1472, 12905), (1780, 10672), (1840, 10324), (1856, 10235), (2047, 9280), (2320, 8188), (2581, 7360), (2668, 7120), (2848, 6670), (3335, 5696), (3560, 5336), (3680, 5162), (4094, 4640)]