19431808

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:435

約数の個数: 64

約数和(自身を含む): 43488720

約数和(自身を除く): 24056912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 37, 44, 64, 74, 88, 128, 148, 176, 296, 352, 373, 407, 592, 704, 746, 814, 1184, 1408, 1492, 1628, 2368, 2984, 3256, 4103, 4736, 5968, 6512, 8206, 11936, 13024, 13801, 16412, 23872, 26048, 27602, 32824, 47744, 52096, 55204, 65648, 110408, 131296, 151811, 220816, 262592, 303622, 441632, 525184, 607244, 883264, 1214488, 1766528, 2428976, 4857952, 9715904, 19431808]

約数ペア:

[(1, 19431808), (2, 9715904), (4, 4857952), (8, 2428976), (11, 1766528), (16, 1214488), (22, 883264), (32, 607244), (37, 525184), (44, 441632), (64, 303622), (74, 262592), (88, 220816), (128, 151811), (148, 131296), (176, 110408), (296, 65648), (352, 55204), (373, 52096), (407, 47744), (592, 32824), (704, 27602), (746, 26048), (814, 23872), (1184, 16412), (1408, 13801), (1492, 13024), (1628, 11936), (2368, 8206), (2984, 6512), (3256, 5968), (4103, 4736)]