19945692

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 60540480

約数和(自身を除く): 40594788

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 23, 26, 34, 36, 39, 46, 51, 52, 68, 69, 78, 92, 102, 109, 117, 138, 153, 156, 204, 207, 218, 221, 234, 276, 299, 306, 327, 391, 414, 436, 442, 468, 598, 612, 654, 663, 782, 828, 884, 897, 981, 1173, 1196, 1308, 1326, 1417, 1564, 1794, 1853, 1962, 1989, 2346, 2507, 2652, 2691, 2834, 3519, 3588, 3706, 3924, 3978, 4251, 4692, 5014, 5083, 5382, 5559, 5668, 7038, 7412, 7521, 7956, 8502, 10028, 10166, 10764, 11118, 12753, 14076, 15042, 15249, 16677, 17004, 20332, 22236, 22563, 24089, 25506, 30084, 30498, 32591, 33354, 42619, 45126, 45747, 48178, 51012, 60996, 65182, 66708, 72267, 85238, 90252, 91494, 96356, 97773, 127857, 130364, 144534, 170476, 182988, 195546, 216801, 255714, 289068, 293319, 383571, 391092, 433602, 511428, 554047, 586638, 767142, 867204, 1108094, 1173276, 1534284, 1662141, 2216188, 3324282, 4986423, 6648564, 9972846, 19945692]

約数ペア:

[(1, 19945692), (2, 9972846), (3, 6648564), (4, 4986423), (6, 3324282), (9, 2216188), (12, 1662141), (13, 1534284), (17, 1173276), (18, 1108094), (23, 867204), (26, 767142), (34, 586638), (36, 554047), (39, 511428), (46, 433602), (51, 391092), (52, 383571), (68, 293319), (69, 289068), (78, 255714), (92, 216801), (102, 195546), (109, 182988), (117, 170476), (138, 144534), (153, 130364), (156, 127857), (204, 97773), (207, 96356), (218, 91494), (221, 90252), (234, 85238), (276, 72267), (299, 66708), (306, 65182), (327, 60996), (391, 51012), (414, 48178), (436, 45747), (442, 45126), (468, 42619), (598, 33354), (612, 32591), (654, 30498), (663, 30084), (782, 25506), (828, 24089), (884, 22563), (897, 22236), (981, 20332), (1173, 17004), (1196, 16677), (1308, 15249), (1326, 15042), (1417, 14076), (1564, 12753), (1794, 11118), (1853, 10764), (1962, 10166), (1989, 10028), (2346, 8502), (2507, 7956), (2652, 7521), (2691, 7412), (2834, 7038), (3519, 5668), (3588, 5559), (3706, 5382), (3924, 5083), (3978, 5014), (4251, 4692)]