18135975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:145

約数の個数: 96

約数和(自身を含む): 37497600

約数和(自身を除く): 19361625

約数列:

[1, 3, 5, 11, 13, 15, 19, 25, 33, 39, 55, 57, 65, 75, 89, 95, 143, 165, 195, 209, 247, 267, 275, 285, 325, 429, 445, 475, 627, 715, 741, 825, 975, 979, 1045, 1157, 1235, 1335, 1425, 1691, 2145, 2225, 2717, 2937, 3135, 3471, 3575, 3705, 4895, 5073, 5225, 5785, 6175, 6675, 8151, 8455, 10725, 12727, 13585, 14685, 15675, 17355, 18525, 18601, 21983, 24475, 25365, 28925, 38181, 40755, 42275, 55803, 63635, 65949, 67925, 73425, 86775, 93005, 109915, 126825, 190905, 203775, 241813, 279015, 318175, 329745, 465025, 549575, 725439, 954525, 1209065, 1395075, 1648725, 3627195, 6045325, 18135975]

約数ペア:

[(1, 18135975), (3, 6045325), (5, 3627195), (11, 1648725), (13, 1395075), (15, 1209065), (19, 954525), (25, 725439), (33, 549575), (39, 465025), (55, 329745), (57, 318175), (65, 279015), (75, 241813), (89, 203775), (95, 190905), (143, 126825), (165, 109915), (195, 93005), (209, 86775), (247, 73425), (267, 67925), (275, 65949), (285, 63635), (325, 55803), (429, 42275), (445, 40755), (475, 38181), (627, 28925), (715, 25365), (741, 24475), (825, 21983), (975, 18601), (979, 18525), (1045, 17355), (1157, 15675), (1235, 14685), (1335, 13585), (1425, 12727), (1691, 10725), (2145, 8455), (2225, 8151), (2717, 6675), (2937, 6175), (3135, 5785), (3471, 5225), (3575, 5073), (3705, 4895)]