19588480

素因数分解:

$2^7\times 5^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 47393280

約数和(自身を除く): 27804800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 241, 254, 320, 482, 508, 635, 640, 964, 1016, 1205, 1270, 1928, 2032, 2410, 2540, 3856, 4064, 4820, 5080, 7712, 8128, 9640, 10160, 15424, 16256, 19280, 20320, 30607, 30848, 38560, 40640, 61214, 77120, 81280, 122428, 153035, 154240, 244856, 306070, 489712, 612140, 979424, 1224280, 1958848, 2448560, 3917696, 4897120, 9794240, 19588480]

約数ペア:

[(1, 19588480), (2, 9794240), (4, 4897120), (5, 3917696), (8, 2448560), (10, 1958848), (16, 1224280), (20, 979424), (32, 612140), (40, 489712), (64, 306070), (80, 244856), (127, 154240), (128, 153035), (160, 122428), (241, 81280), (254, 77120), (320, 61214), (482, 40640), (508, 38560), (635, 30848), (640, 30607), (964, 20320), (1016, 19280), (1205, 16256), (1270, 15424), (1928, 10160), (2032, 9640), (2410, 8128), (2540, 7712), (3856, 5080), (4064, 4820)]