19967328

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:165

約数の個数: 144

約数和(自身を含む): 61916400

約数和(自身を除く): 41949072

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 32, 36, 38, 41, 48, 57, 72, 76, 82, 89, 96, 114, 123, 144, 152, 164, 171, 178, 228, 246, 267, 288, 304, 328, 342, 356, 369, 456, 492, 534, 608, 656, 684, 712, 738, 779, 801, 912, 984, 1068, 1312, 1368, 1424, 1476, 1558, 1602, 1691, 1824, 1968, 2136, 2337, 2736, 2848, 2952, 3116, 3204, 3382, 3649, 3936, 4272, 4674, 5073, 5472, 5904, 6232, 6408, 6764, 7011, 7298, 8544, 9348, 10146, 10947, 11808, 12464, 12816, 13528, 14022, 14596, 15219, 18696, 20292, 21894, 24928, 25632, 27056, 28044, 29192, 30438, 32841, 37392, 40584, 43788, 54112, 56088, 58384, 60876, 65682, 69331, 74784, 81168, 87576, 112176, 116768, 121752, 131364, 138662, 162336, 175152, 207993, 224352, 243504, 262728, 277324, 350304, 415986, 487008, 525456, 554648, 623979, 831972, 1050912, 1109296, 1247958, 1663944, 2218592, 2495916, 3327888, 4991832, 6655776, 9983664, 19967328]

約数ペア:

[(1, 19967328), (2, 9983664), (3, 6655776), (4, 4991832), (6, 3327888), (8, 2495916), (9, 2218592), (12, 1663944), (16, 1247958), (18, 1109296), (19, 1050912), (24, 831972), (32, 623979), (36, 554648), (38, 525456), (41, 487008), (48, 415986), (57, 350304), (72, 277324), (76, 262728), (82, 243504), (89, 224352), (96, 207993), (114, 175152), (123, 162336), (144, 138662), (152, 131364), (164, 121752), (171, 116768), (178, 112176), (228, 87576), (246, 81168), (267, 74784), (288, 69331), (304, 65682), (328, 60876), (342, 58384), (356, 56088), (369, 54112), (456, 43788), (492, 40584), (534, 37392), (608, 32841), (656, 30438), (684, 29192), (712, 28044), (738, 27056), (779, 25632), (801, 24928), (912, 21894), (984, 20292), (1068, 18696), (1312, 15219), (1368, 14596), (1424, 14022), (1476, 13528), (1558, 12816), (1602, 12464), (1691, 11808), (1824, 10947), (1968, 10146), (2136, 9348), (2337, 8544), (2736, 7298), (2848, 7011), (2952, 6764), (3116, 6408), (3204, 6232), (3382, 5904), (3649, 5472), (3936, 5073), (4272, 4674)]