19434740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4397}}^1$

素因数の和:4436

約数の個数: 48

約数和(自身を含む): 46548432

約数和(自身を除く): 27113692

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4397, 4420, 8794, 17588, 21985, 43970, 57161, 74749, 87940, 114322, 149498, 228644, 285805, 298996, 373745, 571610, 747490, 971737, 1143220, 1494980, 1943474, 3886948, 4858685, 9717370, 19434740]

約数ペア:

[(1, 19434740), (2, 9717370), (4, 4858685), (5, 3886948), (10, 1943474), (13, 1494980), (17, 1143220), (20, 971737), (26, 747490), (34, 571610), (52, 373745), (65, 298996), (68, 285805), (85, 228644), (130, 149498), (170, 114322), (221, 87940), (260, 74749), (340, 57161), (442, 43970), (884, 21985), (1105, 17588), (2210, 8794), (4397, 4420)]