2019955455

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{112501}}^1$

素因数の和:112541

約数の個数: 64

約数和(自身を含む): 4320076800

約数和(自身を除く): 2300121345

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 57, 63, 95, 105, 133, 135, 171, 189, 285, 315, 399, 513, 665, 855, 945, 1197, 1995, 2565, 3591, 5985, 17955, 112501, 337503, 562505, 787507, 1012509, 1687515, 2137519, 2362521, 3037527, 3937535, 5062545, 6412557, 7087563, 10687595, 11812605, 14962633, 15187635, 19237671, 21262689, 32062785, 35437815, 44887899, 57713013, 74813165, 96188355, 106313445, 134663697, 224439495, 288565065, 403991091, 673318485, 2019955455]

約数ペア:

[(1, 2019955455), (3, 673318485), (5, 403991091), (7, 288565065), (9, 224439495), (15, 134663697), (19, 106313445), (21, 96188355), (27, 74813165), (35, 57713013), (45, 44887899), (57, 35437815), (63, 32062785), (95, 21262689), (105, 19237671), (133, 15187635), (135, 14962633), (171, 11812605), (189, 10687595), (285, 7087563), (315, 6412557), (399, 5062545), (513, 3937535), (665, 3037527), (855, 2362521), (945, 2137519), (1197, 1687515), (1995, 1012509), (2565, 787507), (3591, 562505), (5985, 337503), (17955, 112501)]