19601216

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 56

約数和(自身を含む): 41148000

約数和(自身を除く): 21546784

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 59, 64, 116, 118, 179, 232, 236, 358, 464, 472, 716, 928, 944, 1432, 1711, 1856, 1888, 2864, 3422, 3776, 5191, 5728, 6844, 10382, 10561, 11456, 13688, 20764, 21122, 27376, 41528, 42244, 54752, 83056, 84488, 109504, 166112, 168976, 306269, 332224, 337952, 612538, 675904, 1225076, 2450152, 4900304, 9800608, 19601216]

約数ペア:

[(1, 19601216), (2, 9800608), (4, 4900304), (8, 2450152), (16, 1225076), (29, 675904), (32, 612538), (58, 337952), (59, 332224), (64, 306269), (116, 168976), (118, 166112), (179, 109504), (232, 84488), (236, 83056), (358, 54752), (464, 42244), (472, 41528), (716, 27376), (928, 21122), (944, 20764), (1432, 13688), (1711, 11456), (1856, 10561), (1888, 10382), (2864, 6844), (3422, 5728), (3776, 5191)]