19003916908

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{541}}^1\times {\mathrm{1559}}^1$

素因数の和:2278

約数の個数: 48

約数和(自身を含む): 34375461120

約数和(自身を除く): 15371544212

約数列:

[1, 2, 4, 43, 86, 131, 172, 262, 524, 541, 1082, 1559, 2164, 3118, 5633, 6236, 11266, 22532, 23263, 46526, 67037, 70871, 93052, 134074, 141742, 204229, 268148, 283484, 408458, 816916, 843419, 1686838, 3047453, 3373676, 6094906, 8781847, 12189812, 17563694, 35127388, 36267017, 72534034, 110487889, 145068068, 220975778, 441951556, 4750979227, 9501958454, 19003916908]

約数ペア:

[(1, 19003916908), (2, 9501958454), (4, 4750979227), (43, 441951556), (86, 220975778), (131, 145068068), (172, 110487889), (262, 72534034), (524, 36267017), (541, 35127388), (1082, 17563694), (1559, 12189812), (2164, 8781847), (3118, 6094906), (5633, 3373676), (6236, 3047453), (11266, 1686838), (22532, 843419), (23263, 816916), (46526, 408458), (67037, 283484), (70871, 268148), (93052, 204229), (134074, 141742)]