19187696

素因数分解:

$2^4\times {\mathrm{11}}^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:111

約数の個数: 80

約数和(自身を含む): 44113248

約数和(自身を除く): 24925552

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 53, 68, 88, 106, 121, 136, 176, 187, 212, 242, 272, 374, 424, 484, 583, 748, 848, 901, 968, 1166, 1331, 1496, 1802, 1936, 2057, 2332, 2662, 2992, 3604, 4114, 4664, 5324, 6413, 7208, 8228, 9328, 9911, 10648, 12826, 14416, 16456, 19822, 21296, 22627, 25652, 32912, 39644, 45254, 51304, 70543, 79288, 90508, 102608, 109021, 141086, 158576, 181016, 218042, 282172, 362032, 436084, 564344, 872168, 1128688, 1199231, 1744336, 2398462, 4796924, 9593848, 19187696]

約数ペア:

[(1, 19187696), (2, 9593848), (4, 4796924), (8, 2398462), (11, 1744336), (16, 1199231), (17, 1128688), (22, 872168), (34, 564344), (44, 436084), (53, 362032), (68, 282172), (88, 218042), (106, 181016), (121, 158576), (136, 141086), (176, 109021), (187, 102608), (212, 90508), (242, 79288), (272, 70543), (374, 51304), (424, 45254), (484, 39644), (583, 32912), (748, 25652), (848, 22627), (901, 21296), (968, 19822), (1166, 16456), (1331, 14416), (1496, 12826), (1802, 10648), (1936, 9911), (2057, 9328), (2332, 8228), (2662, 7208), (2992, 6413), (3604, 5324), (4114, 4664)]