19813536

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{773}}^1$

素因数の和:878

約数の個数: 72

約数和(自身を含む): 57051540

約数和(自身を除く): 37238004

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 773, 801, 1068, 1424, 1546, 1602, 2136, 2319, 2848, 3092, 3204, 4272, 4638, 6184, 6408, 6957, 8544, 9276, 12368, 12816, 13914, 18552, 24736, 25632, 27828, 37104, 55656, 68797, 74208, 111312, 137594, 206391, 222624, 275188, 412782, 550376, 619173, 825564, 1100752, 1238346, 1651128, 2201504, 2476692, 3302256, 4953384, 6604512, 9906768, 19813536]

約数ペア:

[(1, 19813536), (2, 9906768), (3, 6604512), (4, 4953384), (6, 3302256), (8, 2476692), (9, 2201504), (12, 1651128), (16, 1238346), (18, 1100752), (24, 825564), (32, 619173), (36, 550376), (48, 412782), (72, 275188), (89, 222624), (96, 206391), (144, 137594), (178, 111312), (267, 74208), (288, 68797), (356, 55656), (534, 37104), (712, 27828), (773, 25632), (801, 24736), (1068, 18552), (1424, 13914), (1546, 12816), (1602, 12368), (2136, 9276), (2319, 8544), (2848, 6957), (3092, 6408), (3204, 6184), (4272, 4638)]