18882675

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 40751360

約数和(自身を除く): 21868685

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 45, 57, 63, 75, 95, 105, 133, 171, 175, 225, 285, 315, 399, 475, 525, 631, 665, 855, 1197, 1425, 1575, 1893, 1995, 3155, 3325, 4275, 4417, 5679, 5985, 9465, 9975, 11989, 13251, 15775, 22085, 28395, 29925, 35967, 39753, 47325, 59945, 66255, 83923, 107901, 110425, 141975, 179835, 198765, 251769, 299725, 331275, 419615, 539505, 755307, 899175, 993825, 1258845, 2098075, 2697525, 3776535, 6294225, 18882675]

約数ペア:

[(1, 18882675), (3, 6294225), (5, 3776535), (7, 2697525), (9, 2098075), (15, 1258845), (19, 993825), (21, 899175), (25, 755307), (35, 539505), (45, 419615), (57, 331275), (63, 299725), (75, 251769), (95, 198765), (105, 179835), (133, 141975), (171, 110425), (175, 107901), (225, 83923), (285, 66255), (315, 59945), (399, 47325), (475, 39753), (525, 35967), (631, 29925), (665, 28395), (855, 22085), (1197, 15775), (1425, 13251), (1575, 11989), (1893, 9975), (1995, 9465), (3155, 5985), (3325, 5679), (4275, 4417)]