15900872

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 34038000

約数和(自身を除く): 18137128

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 619, 676, 988, 1238, 1352, 1976, 2476, 3211, 4952, 6422, 8047, 11761, 12844, 16094, 23522, 25688, 32188, 47044, 64376, 94088, 104611, 152893, 209222, 305786, 418444, 611572, 836888, 1223144, 1987609, 3975218, 7950436, 15900872]

約数ペア:

[(1, 15900872), (2, 7950436), (4, 3975218), (8, 1987609), (13, 1223144), (19, 836888), (26, 611572), (38, 418444), (52, 305786), (76, 209222), (104, 152893), (152, 104611), (169, 94088), (247, 64376), (338, 47044), (494, 32188), (619, 25688), (676, 23522), (988, 16094), (1238, 12844), (1352, 11761), (1976, 8047), (2476, 6422), (3211, 4952)]