19403904156

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2538449}}^1$

素因数の和:2538483

約数の個数: 72

約数和(自身を含む): 56719126800

約数和(自身を除く): 37315222644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2548, 3822, 7644, 2538449, 5076898, 7615347, 10153796, 15230694, 17769143, 30461388, 32999837, 35538286, 53307429, 65999674, 71076572, 98999511, 106614858, 124384001, 131999348, 197999022, 213229716, 230998859, 248768002, 373152003, 395998044, 461997718, 497536004, 692996577, 746304006, 923995436, 1385993154, 1492608012, 1616992013, 2771986308, 3233984026, 4850976039, 6467968052, 9701952078, 19403904156]

約数ペア:

[(1, 19403904156), (2, 9701952078), (3, 6467968052), (4, 4850976039), (6, 3233984026), (7, 2771986308), (12, 1616992013), (13, 1492608012), (14, 1385993154), (21, 923995436), (26, 746304006), (28, 692996577), (39, 497536004), (42, 461997718), (49, 395998044), (52, 373152003), (78, 248768002), (84, 230998859), (91, 213229716), (98, 197999022), (147, 131999348), (156, 124384001), (182, 106614858), (196, 98999511), (273, 71076572), (294, 65999674), (364, 53307429), (546, 35538286), (588, 32999837), (637, 30461388), (1092, 17769143), (1274, 15230694), (1911, 10153796), (2548, 7615347), (3822, 5076898), (7644, 2538449)]