19547440

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{229}}^1$

素因数の和:350

約数の個数: 80

約数和(自身を含む): 50309280

約数和(自身を除く): 30761840

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 229, 388, 440, 458, 485, 776, 880, 916, 970, 1067, 1145, 1552, 1832, 1940, 2134, 2290, 2519, 3664, 3880, 4268, 4580, 5038, 5335, 7760, 8536, 9160, 10076, 10670, 12595, 17072, 18320, 20152, 21340, 22213, 25190, 40304, 42680, 44426, 50380, 85360, 88852, 100760, 111065, 177704, 201520, 222130, 244343, 355408, 444260, 488686, 888520, 977372, 1221715, 1777040, 1954744, 2443430, 3909488, 4886860, 9773720, 19547440]

約数ペア:

[(1, 19547440), (2, 9773720), (4, 4886860), (5, 3909488), (8, 2443430), (10, 1954744), (11, 1777040), (16, 1221715), (20, 977372), (22, 888520), (40, 488686), (44, 444260), (55, 355408), (80, 244343), (88, 222130), (97, 201520), (110, 177704), (176, 111065), (194, 100760), (220, 88852), (229, 85360), (388, 50380), (440, 44426), (458, 42680), (485, 40304), (776, 25190), (880, 22213), (916, 21340), (970, 20152), (1067, 18320), (1145, 17072), (1552, 12595), (1832, 10670), (1940, 10076), (2134, 9160), (2290, 8536), (2519, 7760), (3664, 5335), (3880, 5038), (4268, 4580)]