19080800

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 52309152

約数和(自身を除く): 33228352

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 25, 32, 34, 40, 46, 50, 61, 68, 80, 85, 92, 100, 115, 122, 136, 160, 170, 184, 200, 230, 244, 272, 305, 340, 368, 391, 400, 425, 460, 488, 544, 575, 610, 680, 736, 782, 800, 850, 920, 976, 1037, 1150, 1220, 1360, 1403, 1525, 1564, 1700, 1840, 1952, 1955, 2074, 2300, 2440, 2720, 2806, 3050, 3128, 3400, 3680, 3910, 4148, 4600, 4880, 5185, 5612, 6100, 6256, 6800, 7015, 7820, 8296, 9200, 9760, 9775, 10370, 11224, 12200, 12512, 13600, 14030, 15640, 16592, 18400, 19550, 20740, 22448, 23851, 24400, 25925, 28060, 31280, 33184, 35075, 39100, 41480, 44896, 47702, 48800, 51850, 56120, 62560, 70150, 78200, 82960, 95404, 103700, 112240, 119255, 140300, 156400, 165920, 190808, 207400, 224480, 238510, 280600, 312800, 381616, 414800, 477020, 561200, 596275, 763232, 829600, 954040, 1122400, 1192550, 1908080, 2385100, 3816160, 4770200, 9540400, 19080800]

約数ペア:

[(1, 19080800), (2, 9540400), (4, 4770200), (5, 3816160), (8, 2385100), (10, 1908080), (16, 1192550), (17, 1122400), (20, 954040), (23, 829600), (25, 763232), (32, 596275), (34, 561200), (40, 477020), (46, 414800), (50, 381616), (61, 312800), (68, 280600), (80, 238510), (85, 224480), (92, 207400), (100, 190808), (115, 165920), (122, 156400), (136, 140300), (160, 119255), (170, 112240), (184, 103700), (200, 95404), (230, 82960), (244, 78200), (272, 70150), (305, 62560), (340, 56120), (368, 51850), (391, 48800), (400, 47702), (425, 44896), (460, 41480), (488, 39100), (544, 35075), (575, 33184), (610, 31280), (680, 28060), (736, 25925), (782, 24400), (800, 23851), (850, 22448), (920, 20740), (976, 19550), (1037, 18400), (1150, 16592), (1220, 15640), (1360, 14030), (1403, 13600), (1525, 12512), (1564, 12200), (1700, 11224), (1840, 10370), (1952, 9775), (1955, 9760), (2074, 9200), (2300, 8296), (2440, 7820), (2720, 7015), (2806, 6800), (3050, 6256), (3128, 6100), (3400, 5612), (3680, 5185), (3910, 4880), (4148, 4600)]