19637380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1$

素因数の和:293

約数の個数: 96

約数和(自身を含む): 51480576

約数和(自身を除く): 31843196

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 68, 70, 74, 85, 119, 140, 148, 170, 185, 223, 238, 259, 340, 370, 446, 476, 518, 595, 629, 740, 892, 1036, 1115, 1190, 1258, 1295, 1561, 2230, 2380, 2516, 2590, 3122, 3145, 3791, 4403, 4460, 5180, 6244, 6290, 7582, 7805, 8251, 8806, 12580, 15164, 15610, 16502, 17612, 18955, 22015, 26537, 31220, 33004, 37910, 41255, 44030, 53074, 57757, 75820, 82510, 88060, 106148, 115514, 132685, 140267, 165020, 231028, 265370, 280534, 288785, 530740, 561068, 577570, 701335, 981869, 1155140, 1402670, 1963738, 2805340, 3927476, 4909345, 9818690, 19637380]

約数ペア:

[(1, 19637380), (2, 9818690), (4, 4909345), (5, 3927476), (7, 2805340), (10, 1963738), (14, 1402670), (17, 1155140), (20, 981869), (28, 701335), (34, 577570), (35, 561068), (37, 530740), (68, 288785), (70, 280534), (74, 265370), (85, 231028), (119, 165020), (140, 140267), (148, 132685), (170, 115514), (185, 106148), (223, 88060), (238, 82510), (259, 75820), (340, 57757), (370, 53074), (446, 44030), (476, 41255), (518, 37910), (595, 33004), (629, 31220), (740, 26537), (892, 22015), (1036, 18955), (1115, 17612), (1190, 16502), (1258, 15610), (1295, 15164), (1561, 12580), (2230, 8806), (2380, 8251), (2516, 7805), (2590, 7582), (3122, 6290), (3145, 6244), (3791, 5180), (4403, 4460)]