19413440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 112

約数和(自身を含む): 50718720

約数和(自身を除く): 31305280

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 103, 124, 152, 155, 160, 190, 206, 248, 304, 310, 320, 380, 412, 496, 515, 589, 608, 620, 760, 824, 992, 1030, 1178, 1216, 1240, 1520, 1648, 1957, 1984, 2060, 2356, 2480, 2945, 3040, 3193, 3296, 3914, 4120, 4712, 4960, 5890, 6080, 6386, 6592, 7828, 8240, 9424, 9785, 9920, 11780, 12772, 15656, 15965, 16480, 18848, 19570, 23560, 25544, 31312, 31930, 32960, 37696, 39140, 47120, 51088, 60667, 62624, 63860, 78280, 94240, 102176, 121334, 125248, 127720, 156560, 188480, 204352, 242668, 255440, 303335, 313120, 485336, 510880, 606670, 626240, 970672, 1021760, 1213340, 1941344, 2426680, 3882688, 4853360, 9706720, 19413440]

約数ペア:

[(1, 19413440), (2, 9706720), (4, 4853360), (5, 3882688), (8, 2426680), (10, 1941344), (16, 1213340), (19, 1021760), (20, 970672), (31, 626240), (32, 606670), (38, 510880), (40, 485336), (62, 313120), (64, 303335), (76, 255440), (80, 242668), (95, 204352), (103, 188480), (124, 156560), (152, 127720), (155, 125248), (160, 121334), (190, 102176), (206, 94240), (248, 78280), (304, 63860), (310, 62624), (320, 60667), (380, 51088), (412, 47120), (496, 39140), (515, 37696), (589, 32960), (608, 31930), (620, 31312), (760, 25544), (824, 23560), (992, 19570), (1030, 18848), (1178, 16480), (1216, 15965), (1240, 15656), (1520, 12772), (1648, 11780), (1957, 9920), (1984, 9785), (2060, 9424), (2356, 8240), (2480, 7828), (2945, 6592), (3040, 6386), (3193, 6080), (3296, 5890), (3914, 4960), (4120, 4712)]