18942080

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1741}}^1$

素因数の和:1777

約数の個数: 64

約数和(自身を含む): 47974680

約数和(自身を除く): 29032600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 1741, 2176, 2720, 3482, 5440, 6964, 8705, 10880, 13928, 17410, 27856, 29597, 34820, 55712, 59194, 69640, 111424, 118388, 139280, 147985, 222848, 236776, 278560, 295970, 473552, 557120, 591940, 947104, 1114240, 1183880, 1894208, 2367760, 3788416, 4735520, 9471040, 18942080]

約数ペア:

[(1, 18942080), (2, 9471040), (4, 4735520), (5, 3788416), (8, 2367760), (10, 1894208), (16, 1183880), (17, 1114240), (20, 947104), (32, 591940), (34, 557120), (40, 473552), (64, 295970), (68, 278560), (80, 236776), (85, 222848), (128, 147985), (136, 139280), (160, 118388), (170, 111424), (272, 69640), (320, 59194), (340, 55712), (544, 34820), (640, 29597), (680, 27856), (1088, 17410), (1360, 13928), (1741, 10880), (2176, 8705), (2720, 6964), (3482, 5440)]