19977744

素因数分解:

$2^4\times 3^1\times {\mathrm{61}}^1\times {\mathrm{6823}}^1$

素因数の和:6895

約数の個数: 40

約数和(自身を含む): 52462912

約数和(自身を除く): 32485168

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 61, 122, 183, 244, 366, 488, 732, 976, 1464, 2928, 6823, 13646, 20469, 27292, 40938, 54584, 81876, 109168, 163752, 327504, 416203, 832406, 1248609, 1664812, 2497218, 3329624, 4994436, 6659248, 9988872, 19977744]

約数ペア:

[(1, 19977744), (2, 9988872), (3, 6659248), (4, 4994436), (6, 3329624), (8, 2497218), (12, 1664812), (16, 1248609), (24, 832406), (48, 416203), (61, 327504), (122, 163752), (183, 109168), (244, 81876), (366, 54584), (488, 40938), (732, 27292), (976, 20469), (1464, 13646), (2928, 6823)]