19726616

素因数分解:

$2^3\times 7^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:126

約数の個数: 80

約数和(自身を含む): 47056800

約数和(自身を除く): 27330184

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 79, 91, 98, 104, 158, 182, 196, 316, 343, 364, 392, 553, 632, 637, 686, 728, 1027, 1106, 1274, 1372, 2054, 2212, 2401, 2548, 2744, 3871, 4108, 4424, 4459, 4802, 5096, 7189, 7742, 8216, 8918, 9604, 14378, 15484, 17836, 19208, 27097, 28756, 30968, 31213, 35672, 50323, 54194, 57512, 62426, 100646, 108388, 124852, 189679, 201292, 216776, 249704, 352261, 379358, 402584, 704522, 758716, 1409044, 1517432, 2465827, 2818088, 4931654, 9863308, 19726616]

約数ペア:

[(1, 19726616), (2, 9863308), (4, 4931654), (7, 2818088), (8, 2465827), (13, 1517432), (14, 1409044), (26, 758716), (28, 704522), (49, 402584), (52, 379358), (56, 352261), (79, 249704), (91, 216776), (98, 201292), (104, 189679), (158, 124852), (182, 108388), (196, 100646), (316, 62426), (343, 57512), (364, 54194), (392, 50323), (553, 35672), (632, 31213), (637, 30968), (686, 28756), (728, 27097), (1027, 19208), (1106, 17836), (1274, 15484), (1372, 14378), (2054, 9604), (2212, 8918), (2401, 8216), (2548, 7742), (2744, 7189), (3871, 5096), (4108, 4802), (4424, 4459)]