18748440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2741}}^1$

素因数の和:2777

約数の個数: 96

約数和(自身を含む): 64162800

約数和(自身を除く): 45414360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 2741, 3420, 5482, 6840, 8223, 10964, 13705, 16446, 21928, 24669, 27410, 32892, 41115, 49338, 52079, 54820, 65784, 82230, 98676, 104158, 109640, 123345, 156237, 164460, 197352, 208316, 246690, 260395, 312474, 328920, 416632, 468711, 493380, 520790, 624948, 781185, 937422, 986760, 1041580, 1249896, 1562370, 1874844, 2083160, 2343555, 3124740, 3749688, 4687110, 6249480, 9374220, 18748440]

約数ペア:

[(1, 18748440), (2, 9374220), (3, 6249480), (4, 4687110), (5, 3749688), (6, 3124740), (8, 2343555), (9, 2083160), (10, 1874844), (12, 1562370), (15, 1249896), (18, 1041580), (19, 986760), (20, 937422), (24, 781185), (30, 624948), (36, 520790), (38, 493380), (40, 468711), (45, 416632), (57, 328920), (60, 312474), (72, 260395), (76, 246690), (90, 208316), (95, 197352), (114, 164460), (120, 156237), (152, 123345), (171, 109640), (180, 104158), (190, 98676), (228, 82230), (285, 65784), (342, 54820), (360, 52079), (380, 49338), (456, 41115), (570, 32892), (684, 27410), (760, 24669), (855, 21928), (1140, 16446), (1368, 13705), (1710, 10964), (2280, 8223), (2741, 6840), (3420, 5482)]