18338580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:506

約数の個数: 144

約数和(自身を含む): 63567504

約数和(自身を除く): 45228924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 17, 18, 20, 26, 30, 34, 36, 39, 45, 51, 52, 60, 65, 68, 78, 85, 90, 102, 117, 130, 153, 156, 170, 180, 195, 204, 221, 234, 255, 260, 306, 340, 390, 442, 461, 468, 510, 585, 612, 663, 765, 780, 884, 922, 1020, 1105, 1170, 1326, 1383, 1530, 1844, 1989, 2210, 2305, 2340, 2652, 2766, 3060, 3315, 3978, 4149, 4420, 4610, 5532, 5993, 6630, 6915, 7837, 7956, 8298, 9220, 9945, 11986, 13260, 13830, 15674, 16596, 17979, 19890, 20745, 23511, 23972, 27660, 29965, 31348, 35958, 39185, 39780, 41490, 47022, 53937, 59930, 70533, 71916, 78370, 82980, 89895, 94044, 101881, 107874, 117555, 119860, 141066, 156740, 179790, 203762, 215748, 235110, 269685, 282132, 305643, 352665, 359580, 407524, 470220, 509405, 539370, 611286, 705330, 916929, 1018810, 1078740, 1222572, 1410660, 1528215, 1833858, 2037620, 3056430, 3667716, 4584645, 6112860, 9169290, 18338580]

約数ペア:

[(1, 18338580), (2, 9169290), (3, 6112860), (4, 4584645), (5, 3667716), (6, 3056430), (9, 2037620), (10, 1833858), (12, 1528215), (13, 1410660), (15, 1222572), (17, 1078740), (18, 1018810), (20, 916929), (26, 705330), (30, 611286), (34, 539370), (36, 509405), (39, 470220), (45, 407524), (51, 359580), (52, 352665), (60, 305643), (65, 282132), (68, 269685), (78, 235110), (85, 215748), (90, 203762), (102, 179790), (117, 156740), (130, 141066), (153, 119860), (156, 117555), (170, 107874), (180, 101881), (195, 94044), (204, 89895), (221, 82980), (234, 78370), (255, 71916), (260, 70533), (306, 59930), (340, 53937), (390, 47022), (442, 41490), (461, 39780), (468, 39185), (510, 35958), (585, 31348), (612, 29965), (663, 27660), (765, 23972), (780, 23511), (884, 20745), (922, 19890), (1020, 17979), (1105, 16596), (1170, 15674), (1326, 13830), (1383, 13260), (1530, 11986), (1844, 9945), (1989, 9220), (2210, 8298), (2305, 7956), (2340, 7837), (2652, 6915), (2766, 6630), (3060, 5993), (3315, 5532), (3978, 4610), (4149, 4420)]