16851860

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{727}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 37914240

約数和(自身を除く): 21062380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 61, 76, 95, 122, 190, 244, 305, 380, 610, 727, 1159, 1220, 1454, 2318, 2908, 3635, 4636, 5795, 7270, 11590, 13813, 14540, 23180, 27626, 44347, 55252, 69065, 88694, 138130, 177388, 221735, 276260, 443470, 842593, 886940, 1685186, 3370372, 4212965, 8425930, 16851860]

約数ペア:

[(1, 16851860), (2, 8425930), (4, 4212965), (5, 3370372), (10, 1685186), (19, 886940), (20, 842593), (38, 443470), (61, 276260), (76, 221735), (95, 177388), (122, 138130), (190, 88694), (244, 69065), (305, 55252), (380, 44347), (610, 27626), (727, 23180), (1159, 14540), (1220, 13813), (1454, 11590), (2318, 7270), (2908, 5795), (3635, 4636)]