19289180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2207}}^1$

素因数の和:2258

約数の個数: 48

約数和(自身を含む): 44513280

約数和(自身を除く): 25224100

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 2207, 4370, 4414, 8740, 8828, 11035, 22070, 41933, 44140, 50761, 83866, 101522, 167732, 203044, 209665, 253805, 419330, 507610, 838660, 964459, 1015220, 1928918, 3857836, 4822295, 9644590, 19289180]

約数ペア:

[(1, 19289180), (2, 9644590), (4, 4822295), (5, 3857836), (10, 1928918), (19, 1015220), (20, 964459), (23, 838660), (38, 507610), (46, 419330), (76, 253805), (92, 209665), (95, 203044), (115, 167732), (190, 101522), (230, 83866), (380, 50761), (437, 44140), (460, 41933), (874, 22070), (1748, 11035), (2185, 8828), (2207, 8740), (4370, 4414)]