19886976

素因数分解:

$2^7\times 3^2\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 58370520

約数和(自身を除く): 38483544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 61, 64, 72, 96, 122, 128, 144, 183, 192, 244, 283, 288, 366, 384, 488, 549, 566, 576, 732, 849, 976, 1098, 1132, 1152, 1464, 1698, 1952, 2196, 2264, 2547, 2928, 3396, 3904, 4392, 4528, 5094, 5856, 6792, 7808, 8784, 9056, 10188, 11712, 13584, 17263, 17568, 18112, 20376, 23424, 27168, 34526, 35136, 36224, 40752, 51789, 54336, 69052, 70272, 81504, 103578, 108672, 138104, 155367, 163008, 207156, 276208, 310734, 326016, 414312, 552416, 621468, 828624, 1104832, 1242936, 1657248, 2209664, 2485872, 3314496, 4971744, 6628992, 9943488, 19886976]

約数ペア:

[(1, 19886976), (2, 9943488), (3, 6628992), (4, 4971744), (6, 3314496), (8, 2485872), (9, 2209664), (12, 1657248), (16, 1242936), (18, 1104832), (24, 828624), (32, 621468), (36, 552416), (48, 414312), (61, 326016), (64, 310734), (72, 276208), (96, 207156), (122, 163008), (128, 155367), (144, 138104), (183, 108672), (192, 103578), (244, 81504), (283, 70272), (288, 69052), (366, 54336), (384, 51789), (488, 40752), (549, 36224), (566, 35136), (576, 34526), (732, 27168), (849, 23424), (976, 20376), (1098, 18112), (1132, 17568), (1152, 17263), (1464, 13584), (1698, 11712), (1952, 10188), (2196, 9056), (2264, 8784), (2547, 7808), (2928, 6792), (3396, 5856), (3904, 5094), (4392, 4528)]