19934254620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{15820837}}^1$

素因数の和:15820859

約数の個数: 72

約数和(自身を含む): 69105420384

約数和(自身を除く): 49171165764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 15820837, 31641674, 47462511, 63283348, 79104185, 94925022, 110745859, 142387533, 158208370, 189850044, 221491718, 237312555, 284775066, 316416740, 332237577, 442983436, 474625110, 553729295, 569550132, 664475154, 711937665, 949250220, 996712731, 1107458590, 1328950308, 1423875330, 1661187885, 1993425462, 2214917180, 2847750660, 3322375770, 3986850924, 4983563655, 6644751540, 9967127310, 19934254620]

約数ペア:

[(1, 19934254620), (2, 9967127310), (3, 6644751540), (4, 4983563655), (5, 3986850924), (6, 3322375770), (7, 2847750660), (9, 2214917180), (10, 1993425462), (12, 1661187885), (14, 1423875330), (15, 1328950308), (18, 1107458590), (20, 996712731), (21, 949250220), (28, 711937665), (30, 664475154), (35, 569550132), (36, 553729295), (42, 474625110), (45, 442983436), (60, 332237577), (63, 316416740), (70, 284775066), (84, 237312555), (90, 221491718), (105, 189850044), (126, 158208370), (140, 142387533), (180, 110745859), (210, 94925022), (252, 79104185), (315, 63283348), (420, 47462511), (630, 31641674), (1260, 15820837)]