19547200

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 84

約数和(自身を含む): 50708560

約数和(自身を除く): 31161360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 643, 760, 800, 950, 1216, 1286, 1520, 1600, 1900, 2572, 3040, 3215, 3800, 5144, 6080, 6430, 7600, 10288, 12217, 12860, 15200, 16075, 20576, 24434, 25720, 30400, 32150, 41152, 48868, 51440, 61085, 64300, 97736, 102880, 122170, 128600, 195472, 205760, 244340, 257200, 305425, 390944, 488680, 514400, 610850, 781888, 977360, 1028800, 1221700, 1954720, 2443400, 3909440, 4886800, 9773600, 19547200]

約数ペア:

[(1, 19547200), (2, 9773600), (4, 4886800), (5, 3909440), (8, 2443400), (10, 1954720), (16, 1221700), (19, 1028800), (20, 977360), (25, 781888), (32, 610850), (38, 514400), (40, 488680), (50, 390944), (64, 305425), (76, 257200), (80, 244340), (95, 205760), (100, 195472), (152, 128600), (160, 122170), (190, 102880), (200, 97736), (304, 64300), (320, 61085), (380, 51440), (400, 48868), (475, 41152), (608, 32150), (643, 30400), (760, 25720), (800, 24434), (950, 20576), (1216, 16075), (1286, 15200), (1520, 12860), (1600, 12217), (1900, 10288), (2572, 7600), (3040, 6430), (3215, 6080), (3800, 5144)]