18839730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:200

約数の個数: 128

約数和(自身を含む): 57028608

約数和(自身を除く): 38188878

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 67, 70, 78, 91, 103, 105, 130, 134, 182, 195, 201, 206, 210, 273, 309, 335, 390, 402, 455, 469, 515, 546, 618, 670, 721, 871, 910, 938, 1005, 1030, 1339, 1365, 1407, 1442, 1545, 1742, 2010, 2163, 2345, 2613, 2678, 2730, 2814, 3090, 3605, 4017, 4326, 4355, 4690, 5226, 6097, 6695, 6901, 7035, 7210, 8034, 8710, 9373, 10815, 12194, 13065, 13390, 13802, 14070, 18291, 18746, 20085, 20703, 21630, 26130, 28119, 30485, 34505, 36582, 40170, 41406, 46865, 48307, 56238, 60970, 69010, 89713, 91455, 93730, 96614, 103515, 140595, 144921, 179426, 182910, 207030, 241535, 269139, 281190, 289842, 448565, 483070, 538278, 627991, 724605, 897130, 1255982, 1345695, 1449210, 1883973, 2691390, 3139955, 3767946, 6279910, 9419865, 18839730]

約数ペア:

[(1, 18839730), (2, 9419865), (3, 6279910), (5, 3767946), (6, 3139955), (7, 2691390), (10, 1883973), (13, 1449210), (14, 1345695), (15, 1255982), (21, 897130), (26, 724605), (30, 627991), (35, 538278), (39, 483070), (42, 448565), (65, 289842), (67, 281190), (70, 269139), (78, 241535), (91, 207030), (103, 182910), (105, 179426), (130, 144921), (134, 140595), (182, 103515), (195, 96614), (201, 93730), (206, 91455), (210, 89713), (273, 69010), (309, 60970), (335, 56238), (390, 48307), (402, 46865), (455, 41406), (469, 40170), (515, 36582), (546, 34505), (618, 30485), (670, 28119), (721, 26130), (871, 21630), (910, 20703), (938, 20085), (1005, 18746), (1030, 18291), (1339, 14070), (1365, 13802), (1407, 13390), (1442, 13065), (1545, 12194), (1742, 10815), (2010, 9373), (2163, 8710), (2345, 8034), (2613, 7210), (2678, 7035), (2730, 6901), (2814, 6695), (3090, 6097), (3605, 5226), (4017, 4690), (4326, 4355)]