18220102381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 20333529216

約数和(自身を除く): 2113426835

約数列:

[1, 13, 41, 131, 457, 533, 571, 1703, 5371, 5941, 7423, 18737, 23411, 59867, 69823, 74801, 243581, 260947, 304343, 778271, 972413, 2454547, 3066841, 3392311, 10698827, 31909111, 34184057, 39868933, 139084751, 444392741, 1401546337, 18220102381]

約数ペア:

[(1, 18220102381), (13, 1401546337), (41, 444392741), (131, 139084751), (457, 39868933), (533, 34184057), (571, 31909111), (1703, 10698827), (5371, 3392311), (5941, 3066841), (7423, 2454547), (18737, 972413), (23411, 778271), (59867, 304343), (69823, 260947), (74801, 243581)]