19653752

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 41395200

約数和(自身を除く): 21741448

約数列:

[1, 2, 4, 8, 19, 31, 38, 43, 62, 76, 86, 97, 124, 152, 172, 194, 248, 344, 388, 589, 776, 817, 1178, 1333, 1634, 1843, 2356, 2666, 3007, 3268, 3686, 4171, 4712, 5332, 6014, 6536, 7372, 8342, 10664, 12028, 14744, 16684, 24056, 25327, 33368, 50654, 57133, 79249, 101308, 114266, 129301, 158498, 202616, 228532, 258602, 316996, 457064, 517204, 633992, 1034408, 2456719, 4913438, 9826876, 19653752]

約数ペア:

[(1, 19653752), (2, 9826876), (4, 4913438), (8, 2456719), (19, 1034408), (31, 633992), (38, 517204), (43, 457064), (62, 316996), (76, 258602), (86, 228532), (97, 202616), (124, 158498), (152, 129301), (172, 114266), (194, 101308), (248, 79249), (344, 57133), (388, 50654), (589, 33368), (776, 25327), (817, 24056), (1178, 16684), (1333, 14744), (1634, 12028), (1843, 10664), (2356, 8342), (2666, 7372), (3007, 6536), (3268, 6014), (3686, 5332), (4171, 4712)]