19215996410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{164057}}^1$

素因数の和:164147

約数の個数: 64

約数和(自身を含む): 40185022752

約数和(自身を除く): 20969026342

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 442, 530, 689, 901, 1105, 1378, 1802, 2210, 3445, 4505, 6890, 9010, 11713, 23426, 58565, 117130, 164057, 328114, 820285, 1640570, 2132741, 2788969, 4265482, 5577938, 8695021, 10663705, 13944845, 17390042, 21327410, 27889690, 36256597, 43475105, 72513194, 86950210, 113035273, 147815357, 181282985, 226070546, 295630714, 362565970, 565176365, 739076785, 1130352730, 1478153570, 1921599641, 3843199282, 9607998205, 19215996410]

約数ペア:

[(1, 19215996410), (2, 9607998205), (5, 3843199282), (10, 1921599641), (13, 1478153570), (17, 1130352730), (26, 739076785), (34, 565176365), (53, 362565970), (65, 295630714), (85, 226070546), (106, 181282985), (130, 147815357), (170, 113035273), (221, 86950210), (265, 72513194), (442, 43475105), (530, 36256597), (689, 27889690), (901, 21327410), (1105, 17390042), (1378, 13944845), (1802, 10663705), (2210, 8695021), (3445, 5577938), (4505, 4265482), (6890, 2788969), (9010, 2132741), (11713, 1640570), (23426, 820285), (58565, 328114), (117130, 164057)]