19775988

素因数分解:

$2^2\times 3^4\times {\mathrm{67}}^1\times {\mathrm{911}}^1$

素因数の和:994

約数の個数: 60

約数和(自身を含む): 52527552

約数和(自身を除く): 32751564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 67, 81, 108, 134, 162, 201, 268, 324, 402, 603, 804, 911, 1206, 1809, 1822, 2412, 2733, 3618, 3644, 5427, 5466, 7236, 8199, 10854, 10932, 16398, 21708, 24597, 32796, 49194, 61037, 73791, 98388, 122074, 147582, 183111, 244148, 295164, 366222, 549333, 732444, 1098666, 1647999, 2197332, 3295998, 4943997, 6591996, 9887994, 19775988]

約数ペア:

[(1, 19775988), (2, 9887994), (3, 6591996), (4, 4943997), (6, 3295998), (9, 2197332), (12, 1647999), (18, 1098666), (27, 732444), (36, 549333), (54, 366222), (67, 295164), (81, 244148), (108, 183111), (134, 147582), (162, 122074), (201, 98388), (268, 73791), (324, 61037), (402, 49194), (603, 32796), (804, 24597), (911, 21708), (1206, 16398), (1809, 10932), (1822, 10854), (2412, 8199), (2733, 7236), (3618, 5466), (3644, 5427)]