19021600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:123

約数の個数: 144

約数和(自身を含む): 52496640

約数和(自身を除く): 33475040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 59, 62, 65, 80, 100, 104, 118, 124, 130, 155, 160, 200, 208, 236, 248, 260, 295, 310, 325, 400, 403, 416, 472, 496, 520, 590, 620, 650, 767, 775, 800, 806, 944, 992, 1040, 1180, 1240, 1300, 1475, 1534, 1550, 1612, 1829, 1888, 2015, 2080, 2360, 2480, 2600, 2950, 3068, 3100, 3224, 3658, 3835, 4030, 4720, 4960, 5200, 5900, 6136, 6200, 6448, 7316, 7670, 8060, 9145, 9440, 10075, 10400, 11800, 12272, 12400, 12896, 14632, 15340, 16120, 18290, 19175, 20150, 23600, 23777, 24544, 24800, 29264, 30680, 32240, 36580, 38350, 40300, 45725, 47200, 47554, 58528, 61360, 64480, 73160, 76700, 80600, 91450, 95108, 118885, 122720, 146320, 153400, 161200, 182900, 190216, 237770, 292640, 306800, 322400, 365800, 380432, 475540, 594425, 613600, 731600, 760864, 951080, 1188850, 1463200, 1902160, 2377700, 3804320, 4755400, 9510800, 19021600]

約数ペア:

[(1, 19021600), (2, 9510800), (4, 4755400), (5, 3804320), (8, 2377700), (10, 1902160), (13, 1463200), (16, 1188850), (20, 951080), (25, 760864), (26, 731600), (31, 613600), (32, 594425), (40, 475540), (50, 380432), (52, 365800), (59, 322400), (62, 306800), (65, 292640), (80, 237770), (100, 190216), (104, 182900), (118, 161200), (124, 153400), (130, 146320), (155, 122720), (160, 118885), (200, 95108), (208, 91450), (236, 80600), (248, 76700), (260, 73160), (295, 64480), (310, 61360), (325, 58528), (400, 47554), (403, 47200), (416, 45725), (472, 40300), (496, 38350), (520, 36580), (590, 32240), (620, 30680), (650, 29264), (767, 24800), (775, 24544), (800, 23777), (806, 23600), (944, 20150), (992, 19175), (1040, 18290), (1180, 16120), (1240, 15340), (1300, 14632), (1475, 12896), (1534, 12400), (1550, 12272), (1612, 11800), (1829, 10400), (1888, 10075), (2015, 9440), (2080, 9145), (2360, 8060), (2480, 7670), (2600, 7316), (2950, 6448), (3068, 6200), (3100, 6136), (3224, 5900), (3658, 5200), (3835, 4960), (4030, 4720)]