18590900

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{137}}^1$

素因数の和:233

約数の個数: 72

約数和(自身を含む): 43122240

約数和(自身を除く): 24531340

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 59, 92, 100, 115, 118, 137, 230, 236, 274, 295, 460, 548, 575, 590, 685, 1150, 1180, 1357, 1370, 1475, 2300, 2714, 2740, 2950, 3151, 3425, 5428, 5900, 6302, 6785, 6850, 8083, 12604, 13570, 13700, 15755, 16166, 27140, 31510, 32332, 33925, 40415, 63020, 67850, 78775, 80830, 135700, 157550, 161660, 185909, 202075, 315100, 371818, 404150, 743636, 808300, 929545, 1859090, 3718180, 4647725, 9295450, 18590900]

約数ペア:

[(1, 18590900), (2, 9295450), (4, 4647725), (5, 3718180), (10, 1859090), (20, 929545), (23, 808300), (25, 743636), (46, 404150), (50, 371818), (59, 315100), (92, 202075), (100, 185909), (115, 161660), (118, 157550), (137, 135700), (230, 80830), (236, 78775), (274, 67850), (295, 63020), (460, 40415), (548, 33925), (575, 32332), (590, 31510), (685, 27140), (1150, 16166), (1180, 15755), (1357, 13700), (1370, 13570), (1475, 12604), (2300, 8083), (2714, 6850), (2740, 6785), (2950, 6302), (3151, 5900), (3425, 5428)]