18891648

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^2\times {\mathrm{31}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 58662240

約数和(自身を除く): 39770592

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 31, 32, 36, 46, 48, 62, 64, 69, 72, 92, 93, 96, 124, 128, 138, 144, 184, 186, 192, 207, 248, 276, 279, 288, 368, 372, 384, 414, 496, 529, 552, 558, 576, 713, 736, 744, 828, 992, 1058, 1104, 1116, 1152, 1426, 1472, 1488, 1587, 1656, 1984, 2116, 2139, 2208, 2232, 2852, 2944, 2976, 3174, 3312, 3968, 4232, 4278, 4416, 4464, 4761, 5704, 5952, 6348, 6417, 6624, 8464, 8556, 8832, 8928, 9522, 11408, 11904, 12696, 12834, 13248, 16399, 16928, 17112, 17856, 19044, 22816, 25392, 25668, 26496, 32798, 33856, 34224, 35712, 38088, 45632, 49197, 50784, 51336, 65596, 67712, 68448, 76176, 91264, 98394, 101568, 102672, 131192, 136896, 147591, 152352, 196788, 203136, 205344, 262384, 273792, 295182, 304704, 393576, 410688, 524768, 590364, 609408, 787152, 821376, 1049536, 1180728, 1574304, 2099072, 2361456, 3148608, 4722912, 6297216, 9445824, 18891648]

約数ペア:

[(1, 18891648), (2, 9445824), (3, 6297216), (4, 4722912), (6, 3148608), (8, 2361456), (9, 2099072), (12, 1574304), (16, 1180728), (18, 1049536), (23, 821376), (24, 787152), (31, 609408), (32, 590364), (36, 524768), (46, 410688), (48, 393576), (62, 304704), (64, 295182), (69, 273792), (72, 262384), (92, 205344), (93, 203136), (96, 196788), (124, 152352), (128, 147591), (138, 136896), (144, 131192), (184, 102672), (186, 101568), (192, 98394), (207, 91264), (248, 76176), (276, 68448), (279, 67712), (288, 65596), (368, 51336), (372, 50784), (384, 49197), (414, 45632), (496, 38088), (529, 35712), (552, 34224), (558, 33856), (576, 32798), (713, 26496), (736, 25668), (744, 25392), (828, 22816), (992, 19044), (1058, 17856), (1104, 17112), (1116, 16928), (1152, 16399), (1426, 13248), (1472, 12834), (1488, 12696), (1587, 11904), (1656, 11408), (1984, 9522), (2116, 8928), (2139, 8832), (2208, 8556), (2232, 8464), (2852, 6624), (2944, 6417), (2976, 6348), (3174, 5952), (3312, 5704), (3968, 4761), (4232, 4464), (4278, 4416)]