18435966588

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{442619}}^1$

素因数の和:442731

約数の個数: 72

約数和(自身を含む): 50750809200

約数和(自身を除く): 32314842612

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 801, 1068, 1157, 1602, 2314, 3204, 3471, 4628, 6942, 10413, 13884, 20826, 41652, 442619, 885238, 1327857, 1770476, 2655714, 3983571, 5311428, 5754047, 7967142, 11508094, 15934284, 17262141, 23016188, 34524282, 39393091, 51786423, 69048564, 78786182, 103572846, 118179273, 157572364, 207145692, 236358546, 354537819, 472717092, 512110183, 709075638, 1024220366, 1418151276, 1536330549, 2048440732, 3072661098, 4608991647, 6145322196, 9217983294, 18435966588]

約数ペア:

[(1, 18435966588), (2, 9217983294), (3, 6145322196), (4, 4608991647), (6, 3072661098), (9, 2048440732), (12, 1536330549), (13, 1418151276), (18, 1024220366), (26, 709075638), (36, 512110183), (39, 472717092), (52, 354537819), (78, 236358546), (89, 207145692), (117, 157572364), (156, 118179273), (178, 103572846), (234, 78786182), (267, 69048564), (356, 51786423), (468, 39393091), (534, 34524282), (801, 23016188), (1068, 17262141), (1157, 15934284), (1602, 11508094), (2314, 7967142), (3204, 5754047), (3471, 5311428), (4628, 3983571), (6942, 2655714), (10413, 1770476), (13884, 1327857), (20826, 885238), (41652, 442619)]