19801236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{18133}}^1$

素因数の和:18160

約数の個数: 48

約数和(自身を含む): 56868224

約数和(自身を除く): 37066988

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 18133, 36266, 54399, 72532, 108798, 126931, 217596, 235729, 253862, 380793, 471458, 507724, 707187, 761586, 942916, 1414374, 1523172, 1650103, 2828748, 3300206, 4950309, 6600412, 9900618, 19801236]

約数ペア:

[(1, 19801236), (2, 9900618), (3, 6600412), (4, 4950309), (6, 3300206), (7, 2828748), (12, 1650103), (13, 1523172), (14, 1414374), (21, 942916), (26, 761586), (28, 707187), (39, 507724), (42, 471458), (52, 380793), (78, 253862), (84, 235729), (91, 217596), (156, 126931), (182, 108798), (273, 72532), (364, 54399), (546, 36266), (1092, 18133)]