18565280

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 96

約数和(自身を含む): 47900160

約数和(自身を除く): 29334880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 197, 248, 304, 310, 380, 394, 496, 589, 608, 620, 760, 788, 985, 992, 1178, 1240, 1520, 1576, 1970, 2356, 2480, 2945, 3040, 3152, 3743, 3940, 4712, 4960, 5890, 6107, 6304, 7486, 7880, 9424, 11780, 12214, 14972, 15760, 18715, 18848, 23560, 24428, 29944, 30535, 31520, 37430, 47120, 48856, 59888, 61070, 74860, 94240, 97712, 116033, 119776, 122140, 149720, 195424, 232066, 244280, 299440, 464132, 488560, 580165, 598880, 928264, 977120, 1160330, 1856528, 2320660, 3713056, 4641320, 9282640, 18565280]

約数ペア:

[(1, 18565280), (2, 9282640), (4, 4641320), (5, 3713056), (8, 2320660), (10, 1856528), (16, 1160330), (19, 977120), (20, 928264), (31, 598880), (32, 580165), (38, 488560), (40, 464132), (62, 299440), (76, 244280), (80, 232066), (95, 195424), (124, 149720), (152, 122140), (155, 119776), (160, 116033), (190, 97712), (197, 94240), (248, 74860), (304, 61070), (310, 59888), (380, 48856), (394, 47120), (496, 37430), (589, 31520), (608, 30535), (620, 29944), (760, 24428), (788, 23560), (985, 18848), (992, 18715), (1178, 15760), (1240, 14972), (1520, 12214), (1576, 11780), (1970, 9424), (2356, 7880), (2480, 7486), (2945, 6304), (3040, 6107), (3152, 5890), (3743, 4960), (3940, 4712)]