18028620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2759

約数の個数: 72

約数和(自身を含む): 56185584

約数和(自身を除く): 38156964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 2707, 3330, 5414, 6660, 8121, 10828, 13535, 16242, 24363, 27070, 32484, 40605, 48726, 54140, 81210, 97452, 100159, 121815, 162420, 200318, 243630, 300477, 400636, 487260, 500795, 600954, 901431, 1001590, 1201908, 1502385, 1802862, 2003180, 3004770, 3605724, 4507155, 6009540, 9014310, 18028620]

約数ペア:

[(1, 18028620), (2, 9014310), (3, 6009540), (4, 4507155), (5, 3605724), (6, 3004770), (9, 2003180), (10, 1802862), (12, 1502385), (15, 1201908), (18, 1001590), (20, 901431), (30, 600954), (36, 500795), (37, 487260), (45, 400636), (60, 300477), (74, 243630), (90, 200318), (111, 162420), (148, 121815), (180, 100159), (185, 97452), (222, 81210), (333, 54140), (370, 48726), (444, 40605), (555, 32484), (666, 27070), (740, 24363), (1110, 16242), (1332, 13535), (1665, 10828), (2220, 8121), (2707, 6660), (3330, 5414)]