19503900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1667}}^1$

素因数の和:1700

約数の個数: 108

約数和(自身を含む): 65875992

約数和(自身を除く): 46372092

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 30, 36, 39, 45, 50, 52, 60, 65, 75, 78, 90, 100, 117, 130, 150, 156, 180, 195, 225, 234, 260, 300, 325, 390, 450, 468, 585, 650, 780, 900, 975, 1170, 1300, 1667, 1950, 2340, 2925, 3334, 3900, 5001, 5850, 6668, 8335, 10002, 11700, 15003, 16670, 20004, 21671, 25005, 30006, 33340, 41675, 43342, 50010, 60012, 65013, 75015, 83350, 86684, 100020, 108355, 125025, 130026, 150030, 166700, 195039, 216710, 250050, 260052, 300060, 325065, 375075, 390078, 433420, 500100, 541775, 650130, 750150, 780156, 975195, 1083550, 1300260, 1500300, 1625325, 1950390, 2167100, 3250650, 3900780, 4875975, 6501300, 9751950, 19503900]

約数ペア:

[(1, 19503900), (2, 9751950), (3, 6501300), (4, 4875975), (5, 3900780), (6, 3250650), (9, 2167100), (10, 1950390), (12, 1625325), (13, 1500300), (15, 1300260), (18, 1083550), (20, 975195), (25, 780156), (26, 750150), (30, 650130), (36, 541775), (39, 500100), (45, 433420), (50, 390078), (52, 375075), (60, 325065), (65, 300060), (75, 260052), (78, 250050), (90, 216710), (100, 195039), (117, 166700), (130, 150030), (150, 130026), (156, 125025), (180, 108355), (195, 100020), (225, 86684), (234, 83350), (260, 75015), (300, 65013), (325, 60012), (390, 50010), (450, 43342), (468, 41675), (585, 33340), (650, 30006), (780, 25005), (900, 21671), (975, 20004), (1170, 16670), (1300, 15003), (1667, 11700), (1950, 10002), (2340, 8335), (2925, 6668), (3334, 5850), (3900, 5001)]