18918450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{2473}}^1$

素因数の和:2508

約数の個数: 72

約数和(自身を含む): 53839188

約数和(自身を除く): 34920738

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 25, 30, 34, 45, 50, 51, 75, 85, 90, 102, 150, 153, 170, 225, 255, 306, 425, 450, 510, 765, 850, 1275, 1530, 2473, 2550, 3825, 4946, 7419, 7650, 12365, 14838, 22257, 24730, 37095, 42041, 44514, 61825, 74190, 84082, 111285, 123650, 126123, 185475, 210205, 222570, 252246, 370950, 378369, 420410, 556425, 630615, 756738, 1051025, 1112850, 1261230, 1891845, 2102050, 3153075, 3783690, 6306150, 9459225, 18918450]

約数ペア:

[(1, 18918450), (2, 9459225), (3, 6306150), (5, 3783690), (6, 3153075), (9, 2102050), (10, 1891845), (15, 1261230), (17, 1112850), (18, 1051025), (25, 756738), (30, 630615), (34, 556425), (45, 420410), (50, 378369), (51, 370950), (75, 252246), (85, 222570), (90, 210205), (102, 185475), (150, 126123), (153, 123650), (170, 111285), (225, 84082), (255, 74190), (306, 61825), (425, 44514), (450, 42041), (510, 37095), (765, 24730), (850, 22257), (1275, 14838), (1530, 12365), (2473, 7650), (2550, 7419), (3825, 4946)]