19899486

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 47822400

約数和(自身を除く): 27922914

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 53, 54, 102, 106, 153, 159, 306, 318, 409, 459, 477, 818, 901, 918, 954, 1227, 1431, 1802, 2454, 2703, 2862, 3681, 5406, 6953, 7362, 8109, 11043, 13906, 16218, 20859, 21677, 22086, 24327, 41718, 43354, 48654, 62577, 65031, 125154, 130062, 187731, 195093, 368509, 375462, 390186, 585279, 737018, 1105527, 1170558, 2211054, 3316581, 6633162, 9949743, 19899486]

約数ペア:

[(1, 19899486), (2, 9949743), (3, 6633162), (6, 3316581), (9, 2211054), (17, 1170558), (18, 1105527), (27, 737018), (34, 585279), (51, 390186), (53, 375462), (54, 368509), (102, 195093), (106, 187731), (153, 130062), (159, 125154), (306, 65031), (318, 62577), (409, 48654), (459, 43354), (477, 41718), (818, 24327), (901, 22086), (918, 21677), (954, 20859), (1227, 16218), (1431, 13906), (1802, 11043), (2454, 8109), (2703, 7362), (2862, 6953), (3681, 5406)]