19517166

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 26102034

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 89, 93, 131, 178, 186, 262, 267, 279, 393, 534, 558, 786, 801, 837, 1179, 1602, 1674, 2358, 2403, 2759, 3537, 4061, 4806, 5518, 7074, 8122, 8277, 11659, 12183, 16554, 23318, 24366, 24831, 34977, 36549, 49662, 69954, 73098, 74493, 104931, 109647, 148986, 209862, 219294, 314793, 361429, 629586, 722858, 1084287, 2168574, 3252861, 6505722, 9758583, 19517166]

約数ペア:

[(1, 19517166), (2, 9758583), (3, 6505722), (6, 3252861), (9, 2168574), (18, 1084287), (27, 722858), (31, 629586), (54, 361429), (62, 314793), (89, 219294), (93, 209862), (131, 148986), (178, 109647), (186, 104931), (262, 74493), (267, 73098), (279, 69954), (393, 49662), (534, 36549), (558, 34977), (786, 24831), (801, 24366), (837, 23318), (1179, 16554), (1602, 12183), (1674, 11659), (2358, 8277), (2403, 8122), (2759, 7074), (3537, 5518), (4061, 4806)]