19138300

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 44434656

約数和(自身を除く): 25296356

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 53, 92, 100, 106, 115, 157, 212, 230, 265, 314, 460, 530, 575, 628, 785, 1060, 1150, 1219, 1325, 1570, 2300, 2438, 2650, 3140, 3611, 3925, 4876, 5300, 6095, 7222, 7850, 8321, 12190, 14444, 15700, 16642, 18055, 24380, 30475, 33284, 36110, 41605, 60950, 72220, 83210, 90275, 121900, 166420, 180550, 191383, 208025, 361100, 382766, 416050, 765532, 832100, 956915, 1913830, 3827660, 4784575, 9569150, 19138300]

約数ペア:

[(1, 19138300), (2, 9569150), (4, 4784575), (5, 3827660), (10, 1913830), (20, 956915), (23, 832100), (25, 765532), (46, 416050), (50, 382766), (53, 361100), (92, 208025), (100, 191383), (106, 180550), (115, 166420), (157, 121900), (212, 90275), (230, 83210), (265, 72220), (314, 60950), (460, 41605), (530, 36110), (575, 33284), (628, 30475), (785, 24380), (1060, 18055), (1150, 16642), (1219, 15700), (1325, 14444), (1570, 12190), (2300, 8321), (2438, 7850), (2650, 7222), (3140, 6095), (3611, 5300), (3925, 4876)]