18995700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{2753}}^1$

素因数の和:2793

約数の個数: 72

約数和(自身を含む): 57371328

約数和(自身を除く): 38375628

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 25, 30, 46, 50, 60, 69, 75, 92, 100, 115, 138, 150, 230, 276, 300, 345, 460, 575, 690, 1150, 1380, 1725, 2300, 2753, 3450, 5506, 6900, 8259, 11012, 13765, 16518, 27530, 33036, 41295, 55060, 63319, 68825, 82590, 126638, 137650, 165180, 189957, 206475, 253276, 275300, 316595, 379914, 412950, 633190, 759828, 825900, 949785, 1266380, 1582975, 1899570, 3165950, 3799140, 4748925, 6331900, 9497850, 18995700]

約数ペア:

[(1, 18995700), (2, 9497850), (3, 6331900), (4, 4748925), (5, 3799140), (6, 3165950), (10, 1899570), (12, 1582975), (15, 1266380), (20, 949785), (23, 825900), (25, 759828), (30, 633190), (46, 412950), (50, 379914), (60, 316595), (69, 275300), (75, 253276), (92, 206475), (100, 189957), (115, 165180), (138, 137650), (150, 126638), (230, 82590), (276, 68825), (300, 63319), (345, 55060), (460, 41295), (575, 33036), (690, 27530), (1150, 16518), (1380, 13765), (1725, 11012), (2300, 8259), (2753, 6900), (3450, 5506)]