18793260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{797}}^1$

素因数の和:943

約数の個数: 72

約数和(自身を含む): 57513456

約数和(自身を除く): 38720196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 131, 180, 262, 393, 524, 655, 786, 797, 1179, 1310, 1572, 1594, 1965, 2358, 2391, 2620, 3188, 3930, 3985, 4716, 4782, 5895, 7173, 7860, 7970, 9564, 11790, 11955, 14346, 15940, 23580, 23910, 28692, 35865, 47820, 71730, 104407, 143460, 208814, 313221, 417628, 522035, 626442, 939663, 1044070, 1252884, 1566105, 1879326, 2088140, 3132210, 3758652, 4698315, 6264420, 9396630, 18793260]

約数ペア:

[(1, 18793260), (2, 9396630), (3, 6264420), (4, 4698315), (5, 3758652), (6, 3132210), (9, 2088140), (10, 1879326), (12, 1566105), (15, 1252884), (18, 1044070), (20, 939663), (30, 626442), (36, 522035), (45, 417628), (60, 313221), (90, 208814), (131, 143460), (180, 104407), (262, 71730), (393, 47820), (524, 35865), (655, 28692), (786, 23910), (797, 23580), (1179, 15940), (1310, 14346), (1572, 11955), (1594, 11790), (1965, 9564), (2358, 7970), (2391, 7860), (2620, 7173), (3188, 5895), (3930, 4782), (3985, 4716)]