18984750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1489}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 50207040

約数和(自身を除く): 31222290

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 25, 30, 34, 50, 51, 75, 85, 102, 125, 150, 170, 250, 255, 375, 425, 510, 750, 850, 1275, 1489, 2125, 2550, 2978, 4250, 4467, 6375, 7445, 8934, 12750, 14890, 22335, 25313, 37225, 44670, 50626, 74450, 75939, 111675, 126565, 151878, 186125, 223350, 253130, 372250, 379695, 558375, 632825, 759390, 1116750, 1265650, 1898475, 3164125, 3796950, 6328250, 9492375, 18984750]

約数ペア:

[(1, 18984750), (2, 9492375), (3, 6328250), (5, 3796950), (6, 3164125), (10, 1898475), (15, 1265650), (17, 1116750), (25, 759390), (30, 632825), (34, 558375), (50, 379695), (51, 372250), (75, 253130), (85, 223350), (102, 186125), (125, 151878), (150, 126565), (170, 111675), (250, 75939), (255, 74450), (375, 50626), (425, 44670), (510, 37225), (750, 25313), (850, 22335), (1275, 14890), (1489, 12750), (2125, 8934), (2550, 7445), (2978, 6375), (4250, 4467)]