18950325

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:286

約数の個数: 48

約数和(自身を含む): 33747840

約数和(自身を除く): 14797515

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 89, 167, 255, 267, 425, 445, 501, 835, 1275, 1335, 1513, 2225, 2505, 2839, 4175, 4539, 6675, 7565, 8517, 12525, 14195, 14863, 22695, 37825, 42585, 44589, 70975, 74315, 113475, 212925, 222945, 252671, 371575, 758013, 1114725, 1263355, 3790065, 6316775, 18950325]

約数ペア:

[(1, 18950325), (3, 6316775), (5, 3790065), (15, 1263355), (17, 1114725), (25, 758013), (51, 371575), (75, 252671), (85, 222945), (89, 212925), (167, 113475), (255, 74315), (267, 70975), (425, 44589), (445, 42585), (501, 37825), (835, 22695), (1275, 14863), (1335, 14195), (1513, 12525), (2225, 8517), (2505, 7565), (2839, 6675), (4175, 4539)]