19187688

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 52315200

約数和(自身を除く): 33127512

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 89, 104, 156, 178, 267, 312, 356, 534, 691, 712, 1068, 1157, 1382, 2073, 2136, 2314, 2764, 3471, 4146, 4628, 5528, 6942, 8292, 8983, 9256, 13884, 16584, 17966, 26949, 27768, 35932, 53898, 61499, 71864, 107796, 122998, 184497, 215592, 245996, 368994, 491992, 737988, 799487, 1475976, 1598974, 2398461, 3197948, 4796922, 6395896, 9593844, 19187688]

約数ペア:

[(1, 19187688), (2, 9593844), (3, 6395896), (4, 4796922), (6, 3197948), (8, 2398461), (12, 1598974), (13, 1475976), (24, 799487), (26, 737988), (39, 491992), (52, 368994), (78, 245996), (89, 215592), (104, 184497), (156, 122998), (178, 107796), (267, 71864), (312, 61499), (356, 53898), (534, 35932), (691, 27768), (712, 26949), (1068, 17966), (1157, 16584), (1382, 13884), (2073, 9256), (2136, 8983), (2314, 8292), (2764, 6942), (3471, 5528), (4146, 4628)]