19959424

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 43452000

約数和(自身を除く): 23492576

約数列:

[1, 2, 4, 8, 16, 19, 29, 32, 38, 58, 64, 76, 116, 128, 152, 232, 283, 304, 464, 551, 566, 608, 928, 1102, 1132, 1216, 1856, 2204, 2264, 2432, 3712, 4408, 4528, 5377, 8207, 8816, 9056, 10754, 16414, 17632, 18112, 21508, 32828, 35264, 36224, 43016, 65656, 70528, 86032, 131312, 155933, 172064, 262624, 311866, 344128, 525248, 623732, 688256, 1050496, 1247464, 2494928, 4989856, 9979712, 19959424]

約数ペア:

[(1, 19959424), (2, 9979712), (4, 4989856), (8, 2494928), (16, 1247464), (19, 1050496), (29, 688256), (32, 623732), (38, 525248), (58, 344128), (64, 311866), (76, 262624), (116, 172064), (128, 155933), (152, 131312), (232, 86032), (283, 70528), (304, 65656), (464, 43016), (551, 36224), (566, 35264), (608, 32828), (928, 21508), (1102, 18112), (1132, 17632), (1216, 16414), (1856, 10754), (2204, 9056), (2264, 8816), (2432, 8207), (3712, 5377), (4408, 4528)]