19436960

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 96

約数和(自身を含む): 48988800

約数和(自身を除く): 29551840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 59, 71, 80, 116, 118, 142, 145, 160, 232, 236, 284, 290, 295, 355, 464, 472, 568, 580, 590, 710, 928, 944, 1136, 1160, 1180, 1420, 1711, 1888, 2059, 2272, 2320, 2360, 2840, 3422, 4118, 4189, 4640, 4720, 5680, 6844, 8236, 8378, 8555, 9440, 10295, 11360, 13688, 16472, 16756, 17110, 20590, 20945, 27376, 32944, 33512, 34220, 41180, 41890, 54752, 65888, 67024, 68440, 82360, 83780, 121481, 134048, 136880, 164720, 167560, 242962, 273760, 329440, 335120, 485924, 607405, 670240, 971848, 1214810, 1943696, 2429620, 3887392, 4859240, 9718480, 19436960]

約数ペア:

[(1, 19436960), (2, 9718480), (4, 4859240), (5, 3887392), (8, 2429620), (10, 1943696), (16, 1214810), (20, 971848), (29, 670240), (32, 607405), (40, 485924), (58, 335120), (59, 329440), (71, 273760), (80, 242962), (116, 167560), (118, 164720), (142, 136880), (145, 134048), (160, 121481), (232, 83780), (236, 82360), (284, 68440), (290, 67024), (295, 65888), (355, 54752), (464, 41890), (472, 41180), (568, 34220), (580, 33512), (590, 32944), (710, 27376), (928, 20945), (944, 20590), (1136, 17110), (1160, 16756), (1180, 16472), (1420, 13688), (1711, 11360), (1888, 10295), (2059, 9440), (2272, 8555), (2320, 8378), (2360, 8236), (2840, 6844), (3422, 5680), (4118, 4720), (4189, 4640)]