18764880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1907}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 59621184

約数和(自身を除く): 40856304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1907, 1968, 2460, 3280, 3814, 4920, 5721, 7628, 9535, 9840, 11442, 15256, 19070, 22884, 28605, 30512, 38140, 45768, 57210, 76280, 78187, 91536, 114420, 152560, 156374, 228840, 234561, 312748, 390935, 457680, 469122, 625496, 781870, 938244, 1172805, 1250992, 1563740, 1876488, 2345610, 3127480, 3752976, 4691220, 6254960, 9382440, 18764880]

約数ペア:

[(1, 18764880), (2, 9382440), (3, 6254960), (4, 4691220), (5, 3752976), (6, 3127480), (8, 2345610), (10, 1876488), (12, 1563740), (15, 1250992), (16, 1172805), (20, 938244), (24, 781870), (30, 625496), (40, 469122), (41, 457680), (48, 390935), (60, 312748), (80, 234561), (82, 228840), (120, 156374), (123, 152560), (164, 114420), (205, 91536), (240, 78187), (246, 76280), (328, 57210), (410, 45768), (492, 38140), (615, 30512), (656, 28605), (820, 22884), (984, 19070), (1230, 15256), (1640, 11442), (1907, 9840), (1968, 9535), (2460, 7628), (3280, 5721), (3814, 4920)]