18849908

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^1\times {\mathrm{1249}}^1$

素因数の和:1285

約数の個数: 48

約数和(自身を含む): 42000000

約数和(自身を除く): 23150092

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 343, 539, 686, 1078, 1249, 1372, 2156, 2498, 3773, 4996, 7546, 8743, 13739, 15092, 17486, 27478, 34972, 54956, 61201, 96173, 122402, 192346, 244804, 384692, 428407, 673211, 856814, 1346422, 1713628, 2692844, 4712477, 9424954, 18849908]

約数ペア:

[(1, 18849908), (2, 9424954), (4, 4712477), (7, 2692844), (11, 1713628), (14, 1346422), (22, 856814), (28, 673211), (44, 428407), (49, 384692), (77, 244804), (98, 192346), (154, 122402), (196, 96173), (308, 61201), (343, 54956), (539, 34972), (686, 27478), (1078, 17486), (1249, 15092), (1372, 13739), (2156, 8743), (2498, 7546), (3773, 4996)]