19390770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{4397}}^1$

素因数の和:4424

約数の個数: 72

約数和(自身を含む): 58660524

約数和(自身を除く): 39269754

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 441, 490, 630, 735, 882, 1470, 2205, 4397, 4410, 8794, 13191, 21985, 26382, 30779, 39573, 43970, 61558, 65955, 79146, 92337, 131910, 153895, 184674, 197865, 215453, 277011, 307790, 395730, 430906, 461685, 554022, 646359, 923370, 1077265, 1292718, 1385055, 1939077, 2154530, 2770110, 3231795, 3878154, 6463590, 9695385, 19390770]

約数ペア:

[(1, 19390770), (2, 9695385), (3, 6463590), (5, 3878154), (6, 3231795), (7, 2770110), (9, 2154530), (10, 1939077), (14, 1385055), (15, 1292718), (18, 1077265), (21, 923370), (30, 646359), (35, 554022), (42, 461685), (45, 430906), (49, 395730), (63, 307790), (70, 277011), (90, 215453), (98, 197865), (105, 184674), (126, 153895), (147, 131910), (210, 92337), (245, 79146), (294, 65955), (315, 61558), (441, 43970), (490, 39573), (630, 30779), (735, 26382), (882, 21985), (1470, 13191), (2205, 8794), (4397, 4410)]