18384990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:146

約数の個数: 128

約数和(自身を含む): 52254720

約数和(自身を除く): 33869730

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 47, 51, 59, 65, 78, 85, 94, 102, 118, 130, 141, 170, 177, 195, 221, 235, 255, 282, 295, 354, 390, 442, 470, 510, 590, 611, 663, 705, 767, 799, 885, 1003, 1105, 1222, 1326, 1410, 1534, 1598, 1770, 1833, 2006, 2210, 2301, 2397, 2773, 3009, 3055, 3315, 3666, 3835, 3995, 4602, 4794, 5015, 5546, 6018, 6110, 6630, 7670, 7990, 8319, 9165, 10030, 10387, 11505, 11985, 13039, 13865, 15045, 16638, 18330, 20774, 23010, 23970, 26078, 27730, 30090, 31161, 36049, 39117, 41595, 47141, 51935, 62322, 65195, 72098, 78234, 83190, 94282, 103870, 108147, 130390, 141423, 155805, 180245, 195585, 216294, 235705, 282846, 311610, 360490, 391170, 471410, 540735, 612833, 707115, 1081470, 1225666, 1414230, 1838499, 3064165, 3676998, 6128330, 9192495, 18384990]

約数ペア:

[(1, 18384990), (2, 9192495), (3, 6128330), (5, 3676998), (6, 3064165), (10, 1838499), (13, 1414230), (15, 1225666), (17, 1081470), (26, 707115), (30, 612833), (34, 540735), (39, 471410), (47, 391170), (51, 360490), (59, 311610), (65, 282846), (78, 235705), (85, 216294), (94, 195585), (102, 180245), (118, 155805), (130, 141423), (141, 130390), (170, 108147), (177, 103870), (195, 94282), (221, 83190), (235, 78234), (255, 72098), (282, 65195), (295, 62322), (354, 51935), (390, 47141), (442, 41595), (470, 39117), (510, 36049), (590, 31161), (611, 30090), (663, 27730), (705, 26078), (767, 23970), (799, 23010), (885, 20774), (1003, 18330), (1105, 16638), (1222, 15045), (1326, 13865), (1410, 13039), (1534, 11985), (1598, 11505), (1770, 10387), (1833, 10030), (2006, 9165), (2210, 8319), (2301, 7990), (2397, 7670), (2773, 6630), (3009, 6110), (3055, 6018), (3315, 5546), (3666, 5015), (3835, 4794), (3995, 4602)]