18201900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 57746304

約数和(自身を除く): 39544404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 25, 30, 34, 43, 50, 51, 60, 68, 75, 83, 85, 86, 100, 102, 129, 150, 166, 170, 172, 204, 215, 249, 255, 258, 300, 332, 340, 415, 425, 430, 498, 510, 516, 645, 731, 830, 850, 860, 996, 1020, 1075, 1245, 1275, 1290, 1411, 1462, 1660, 1700, 2075, 2150, 2193, 2490, 2550, 2580, 2822, 2924, 3225, 3569, 3655, 4150, 4233, 4300, 4386, 4980, 5100, 5644, 6225, 6450, 7055, 7138, 7310, 8300, 8466, 8772, 10707, 10965, 12450, 12900, 14110, 14276, 14620, 16932, 17845, 18275, 21165, 21414, 21930, 24900, 28220, 35275, 35690, 36550, 42330, 42828, 43860, 53535, 54825, 60673, 70550, 71380, 73100, 84660, 89225, 105825, 107070, 109650, 121346, 141100, 178450, 182019, 211650, 214140, 219300, 242692, 267675, 303365, 356900, 364038, 423300, 535350, 606730, 728076, 910095, 1070700, 1213460, 1516825, 1820190, 3033650, 3640380, 4550475, 6067300, 9100950, 18201900]

約数ペア:

[(1, 18201900), (2, 9100950), (3, 6067300), (4, 4550475), (5, 3640380), (6, 3033650), (10, 1820190), (12, 1516825), (15, 1213460), (17, 1070700), (20, 910095), (25, 728076), (30, 606730), (34, 535350), (43, 423300), (50, 364038), (51, 356900), (60, 303365), (68, 267675), (75, 242692), (83, 219300), (85, 214140), (86, 211650), (100, 182019), (102, 178450), (129, 141100), (150, 121346), (166, 109650), (170, 107070), (172, 105825), (204, 89225), (215, 84660), (249, 73100), (255, 71380), (258, 70550), (300, 60673), (332, 54825), (340, 53535), (415, 43860), (425, 42828), (430, 42330), (498, 36550), (510, 35690), (516, 35275), (645, 28220), (731, 24900), (830, 21930), (850, 21414), (860, 21165), (996, 18275), (1020, 17845), (1075, 16932), (1245, 14620), (1275, 14276), (1290, 14110), (1411, 12900), (1462, 12450), (1660, 10965), (1700, 10707), (2075, 8772), (2150, 8466), (2193, 8300), (2490, 7310), (2550, 7138), (2580, 7055), (2822, 6450), (2924, 6225), (3225, 5644), (3569, 5100), (3655, 4980), (4150, 4386), (4233, 4300)]