18641340

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1$

素因数の和:369

約数の個数: 120

約数和(自身を含む): 60252192

約数和(自身を除く): 41610852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 81, 90, 108, 111, 135, 148, 162, 180, 185, 222, 270, 311, 324, 333, 370, 405, 444, 540, 555, 622, 666, 740, 810, 933, 999, 1110, 1244, 1332, 1555, 1620, 1665, 1866, 1998, 2220, 2799, 2997, 3110, 3330, 3732, 3996, 4665, 4995, 5598, 5994, 6220, 6660, 8397, 9330, 9990, 11196, 11507, 11988, 13995, 14985, 16794, 18660, 19980, 23014, 25191, 27990, 29970, 33588, 34521, 41985, 46028, 50382, 55980, 57535, 59940, 69042, 83970, 100764, 103563, 115070, 125955, 138084, 167940, 172605, 207126, 230140, 251910, 310689, 345210, 414252, 503820, 517815, 621378, 690420, 932067, 1035630, 1242756, 1553445, 1864134, 2071260, 3106890, 3728268, 4660335, 6213780, 9320670, 18641340]

約数ペア:

[(1, 18641340), (2, 9320670), (3, 6213780), (4, 4660335), (5, 3728268), (6, 3106890), (9, 2071260), (10, 1864134), (12, 1553445), (15, 1242756), (18, 1035630), (20, 932067), (27, 690420), (30, 621378), (36, 517815), (37, 503820), (45, 414252), (54, 345210), (60, 310689), (74, 251910), (81, 230140), (90, 207126), (108, 172605), (111, 167940), (135, 138084), (148, 125955), (162, 115070), (180, 103563), (185, 100764), (222, 83970), (270, 69042), (311, 59940), (324, 57535), (333, 55980), (370, 50382), (405, 46028), (444, 41985), (540, 34521), (555, 33588), (622, 29970), (666, 27990), (740, 25191), (810, 23014), (933, 19980), (999, 18660), (1110, 16794), (1244, 14985), (1332, 13995), (1555, 11988), (1620, 11507), (1665, 11196), (1866, 9990), (1998, 9330), (2220, 8397), (2799, 6660), (2997, 6220), (3110, 5994), (3330, 5598), (3732, 4995), (3996, 4665)]