19600380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:170

約数の個数: 144

約数和(自身を含む): 63903840

約数和(自身を除く): 44303460

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, 109, 111, 135, 148, 162, 180, 185, 218, 222, 243, 270, 324, 327, 333, 370, 405, 436, 444, 486, 540, 545, 555, 654, 666, 740, 810, 972, 981, 999, 1090, 1110, 1215, 1308, 1332, 1620, 1635, 1665, 1962, 1998, 2180, 2220, 2430, 2943, 2997, 3270, 3330, 3924, 3996, 4033, 4860, 4905, 4995, 5886, 5994, 6540, 6660, 8066, 8829, 8991, 9810, 9990, 11772, 11988, 12099, 14715, 14985, 16132, 17658, 17982, 19620, 19980, 20165, 24198, 26487, 29430, 29970, 35316, 35964, 36297, 40330, 44145, 44955, 48396, 52974, 58860, 59940, 60495, 72594, 80660, 88290, 89910, 105948, 108891, 120990, 132435, 145188, 176580, 179820, 181485, 217782, 241980, 264870, 326673, 362970, 435564, 529740, 544455, 653346, 725940, 980019, 1088910, 1306692, 1633365, 1960038, 2177820, 3266730, 3920076, 4900095, 6533460, 9800190, 19600380]

約数ペア:

[(1, 19600380), (2, 9800190), (3, 6533460), (4, 4900095), (5, 3920076), (6, 3266730), (9, 2177820), (10, 1960038), (12, 1633365), (15, 1306692), (18, 1088910), (20, 980019), (27, 725940), (30, 653346), (36, 544455), (37, 529740), (45, 435564), (54, 362970), (60, 326673), (74, 264870), (81, 241980), (90, 217782), (108, 181485), (109, 179820), (111, 176580), (135, 145188), (148, 132435), (162, 120990), (180, 108891), (185, 105948), (218, 89910), (222, 88290), (243, 80660), (270, 72594), (324, 60495), (327, 59940), (333, 58860), (370, 52974), (405, 48396), (436, 44955), (444, 44145), (486, 40330), (540, 36297), (545, 35964), (555, 35316), (654, 29970), (666, 29430), (740, 26487), (810, 24198), (972, 20165), (981, 19980), (999, 19620), (1090, 17982), (1110, 17658), (1215, 16132), (1308, 14985), (1332, 14715), (1620, 12099), (1635, 11988), (1665, 11772), (1962, 9990), (1998, 9810), (2180, 8991), (2220, 8829), (2430, 8066), (2943, 6660), (2997, 6540), (3270, 5994), (3330, 5886), (3924, 4995), (3996, 4905), (4033, 4860)]