18743044

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:292

約数の個数: 48

約数和(自身を含む): 37195200

約数和(自身を除く): 18452156

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 89, 163, 178, 323, 326, 356, 646, 652, 1292, 1513, 1691, 2771, 3026, 3097, 3382, 5542, 6052, 6194, 6764, 11084, 12388, 14507, 28747, 29014, 52649, 57494, 58028, 105298, 114988, 210596, 246619, 275633, 493238, 551266, 986476, 1102532, 4685761, 9371522, 18743044]

約数ペア:

[(1, 18743044), (2, 9371522), (4, 4685761), (17, 1102532), (19, 986476), (34, 551266), (38, 493238), (68, 275633), (76, 246619), (89, 210596), (163, 114988), (178, 105298), (323, 58028), (326, 57494), (356, 52649), (646, 29014), (652, 28747), (1292, 14507), (1513, 12388), (1691, 11084), (2771, 6764), (3026, 6194), (3097, 6052), (3382, 5542)]