18900630

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1579}}^1$

素因数の和:1618

約数の個数: 96

約数和(自身を含む): 59155200

約数和(自身を除く): 40254570

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 35, 38, 42, 45, 57, 63, 70, 90, 95, 105, 114, 126, 133, 171, 190, 210, 266, 285, 315, 342, 399, 570, 630, 665, 798, 855, 1197, 1330, 1579, 1710, 1995, 2394, 3158, 3990, 4737, 5985, 7895, 9474, 11053, 11970, 14211, 15790, 22106, 23685, 28422, 30001, 33159, 47370, 55265, 60002, 66318, 71055, 90003, 99477, 110530, 142110, 150005, 165795, 180006, 198954, 210007, 270009, 300010, 331590, 420014, 450015, 497385, 540018, 630021, 900030, 994770, 1050035, 1260042, 1350045, 1890063, 2100070, 2700090, 3150105, 3780126, 6300210, 9450315, 18900630]

約数ペア:

[(1, 18900630), (2, 9450315), (3, 6300210), (5, 3780126), (6, 3150105), (7, 2700090), (9, 2100070), (10, 1890063), (14, 1350045), (15, 1260042), (18, 1050035), (19, 994770), (21, 900030), (30, 630021), (35, 540018), (38, 497385), (42, 450015), (45, 420014), (57, 331590), (63, 300010), (70, 270009), (90, 210007), (95, 198954), (105, 180006), (114, 165795), (126, 150005), (133, 142110), (171, 110530), (190, 99477), (210, 90003), (266, 71055), (285, 66318), (315, 60002), (342, 55265), (399, 47370), (570, 33159), (630, 30001), (665, 28422), (798, 23685), (855, 22106), (1197, 15790), (1330, 14211), (1579, 11970), (1710, 11053), (1995, 9474), (2394, 7895), (3158, 5985), (3990, 4737)]