18547610

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 19053670

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 67, 94, 95, 134, 155, 190, 235, 310, 335, 470, 589, 670, 893, 1178, 1273, 1457, 1786, 2077, 2546, 2914, 2945, 3149, 4154, 4465, 5890, 6298, 6365, 7285, 8930, 10385, 12730, 14570, 15745, 20770, 27683, 31490, 39463, 55366, 59831, 78926, 97619, 119662, 138415, 195238, 197315, 276830, 299155, 394630, 488095, 598310, 976190, 1854761, 3709522, 9273805, 18547610]

約数ペア:

[(1, 18547610), (2, 9273805), (5, 3709522), (10, 1854761), (19, 976190), (31, 598310), (38, 488095), (47, 394630), (62, 299155), (67, 276830), (94, 197315), (95, 195238), (134, 138415), (155, 119662), (190, 97619), (235, 78926), (310, 59831), (335, 55366), (470, 39463), (589, 31490), (670, 27683), (893, 20770), (1178, 15745), (1273, 14570), (1457, 12730), (1786, 10385), (2077, 8930), (2546, 7285), (2914, 6365), (2945, 6298), (3149, 5890), (4154, 4465)]