19170540

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:420

約数の個数: 96

約数和(自身を含む): 60318720

約数和(自身を除く): 41148180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 131, 135, 180, 262, 270, 271, 393, 524, 540, 542, 655, 786, 813, 1084, 1179, 1310, 1355, 1572, 1626, 1965, 2358, 2439, 2620, 2710, 3252, 3537, 3930, 4065, 4716, 4878, 5420, 5895, 7074, 7317, 7860, 8130, 9756, 11790, 12195, 14148, 14634, 16260, 17685, 23580, 24390, 29268, 35370, 35501, 36585, 48780, 70740, 71002, 73170, 106503, 142004, 146340, 177505, 213006, 319509, 355010, 426012, 532515, 639018, 710020, 958527, 1065030, 1278036, 1597545, 1917054, 2130060, 3195090, 3834108, 4792635, 6390180, 9585270, 19170540]

約数ペア:

[(1, 19170540), (2, 9585270), (3, 6390180), (4, 4792635), (5, 3834108), (6, 3195090), (9, 2130060), (10, 1917054), (12, 1597545), (15, 1278036), (18, 1065030), (20, 958527), (27, 710020), (30, 639018), (36, 532515), (45, 426012), (54, 355010), (60, 319509), (90, 213006), (108, 177505), (131, 146340), (135, 142004), (180, 106503), (262, 73170), (270, 71002), (271, 70740), (393, 48780), (524, 36585), (540, 35501), (542, 35370), (655, 29268), (786, 24390), (813, 23580), (1084, 17685), (1179, 16260), (1310, 14634), (1355, 14148), (1572, 12195), (1626, 11790), (1965, 9756), (2358, 8130), (2439, 7860), (2620, 7317), (2710, 7074), (3252, 5895), (3537, 5420), (3930, 4878), (4065, 4716)]